fix(ci): create-comment workflows array length check.

[FedeDP]

What type of PR is this?

/kind bug

Any specific area of the project related to this PR?

/area CI

Does this PR require a change in the driver versions?

What this PR does / why we need it:

Fix after #2123.
This time properly tested in online IDE :/

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[poiana]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: FedeDP

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[FedeDP]

/milestone 0.19.0

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.46%. Comparing base (f74a458) to head (f1e4a3b).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2125   +/-   ##
=======================================
  Coverage   74.45%   74.46%           
=======================================
  Files         253      253           
  Lines       33052    33052           
  Branches     5664     5667    +3     
=======================================
+ Hits        24610    24612    +2     
+ Misses       8419     8416    -3     
- Partials       23       24    +1     

Flag	Coverage Δ
libsinsp	74.46% <ø> (+<0.01%)	⬆️

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[github-actions]

Perf diff from master - unit tests

     8.49%     -1.66%  [.] sinsp::next
     2.68%     +1.19%  [.] sinsp_thread_manager::get_thread_ref
     0.73%     +0.79%  [.] std::_Hashtable<long, std::pair<long const, std::shared_ptr<sinsp_threadinfo> >, std::allocator<std::pair<long const, std::shared_ptr<sinsp_threadinfo> > >, std::__detail::_Select1st, std::equal_to<long>, std::hash<long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >::find
    10.30%     -0.67%  [.] sinsp_parser::reset
     2.06%     +0.60%  [.] sinsp_thread_manager::find_thread
     1.85%     +0.60%  [.] sinsp::fetch_next_event
     0.89%     -0.45%  [.] sinsp_fdtable::sinsp_fdtable
     0.67%     +0.42%  [.] scap_event_has_large_payload
     0.17%     +0.42%  [.] copy_and_sanitize_path
     5.64%     -0.42%  [.] sinsp_parser::process_event

Heap diff from master - unit tests

peak heap memory consumption: 0B
peak RSS (including heaptrack overhead): 0B
total memory leaked: 0B

Heap diff from master - scap file

peak heap memory consumption: 0B
peak RSS (including heaptrack overhead): 0B
total memory leaked: 0B

Benchmarks diff from master

Comparing gbench_data.json to /root/actions-runner/_work/libs/libs/build/gbench_data.json
Benchmark                                                         Time             CPU      Time Old      Time New       CPU Old       CPU New
----------------------------------------------------------------------------------------------------------------------------------------------
BM_sinsp_split_mean                                            -0.0225         -0.0225           156           152           156           152
BM_sinsp_split_median                                          -0.0226         -0.0226           156           152           156           152
BM_sinsp_split_stddev                                          +0.2194         +0.2198             1             1             1             1
BM_sinsp_split_cv                                              +0.2474         +0.2478             0             0             0             0
BM_sinsp_concatenate_paths_relative_path_mean                  -0.0646         -0.0647            62            58            62            58
BM_sinsp_concatenate_paths_relative_path_median                -0.0692         -0.0692            62            58            62            58
BM_sinsp_concatenate_paths_relative_path_stddev                -0.8262         -0.8255             1             0             1             0
BM_sinsp_concatenate_paths_relative_path_cv                    -0.8142         -0.8134             0             0             0             0
BM_sinsp_concatenate_paths_empty_path_mean                     +0.0534         +0.0534            24            25            24            25
BM_sinsp_concatenate_paths_empty_path_median                   +0.0482         +0.0482            24            25            24            25
BM_sinsp_concatenate_paths_empty_path_stddev                   +1.5804         +1.5752             0             0             0             0
BM_sinsp_concatenate_paths_empty_path_cv                       +1.4495         +1.4446             0             0             0             0
BM_sinsp_concatenate_paths_absolute_path_mean                  -0.0876         -0.0876            62            57            62            57
BM_sinsp_concatenate_paths_absolute_path_median                -0.0897         -0.0897            62            57            62            57
BM_sinsp_concatenate_paths_absolute_path_stddev                +1.5823         +1.5802             0             0             0             0
BM_sinsp_concatenate_paths_absolute_path_cv                    +1.8301         +1.8278             0             0             0             0
BM_sinsp_split_container_image_mean                            +0.0226         +0.0226           390           399           390           399
BM_sinsp_split_container_image_median                          +0.0224         +0.0223           390           399           390           399
BM_sinsp_split_container_image_stddev                          +0.0031         +0.0024             2             2             2             2
BM_sinsp_split_container_image_cv                              -0.0191         -0.0198             0             0             0             0