Update Rust crate regex to >= 1.10.3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
regex	dev-dependencies	patch	>= 1.10 -> >= 1.10.3

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Release Notes

rust-lang/regex (regex)

v1.10.3

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This is a new patch release that fixes the feature configuration of optional
dependencies, and fixes an unsound use of bounds check elision.

Bug fixes:

• BUG #​1147:
  Set default-features=false for the memchr and aho-corasick dependencies.
• BUG #​1154:
  Fix unsound bounds check elision.

v1.10.2

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This is a new patch release that fixes a search regression where incorrect
matches could be reported.

Bug fixes:

• BUG #​1110:
  Revert broadening of reverse suffix literal optimization introduced in 1.10.1.

v1.10.1

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This is a new patch release with a minor increase in the number of valid
patterns and a broadening of some literal optimizations.

New features:

• FEATURE 04f5d7be:
  Loosen ASCII-compatible rules such that regexes like (?-u:☃) are now allowed.

Performance improvements:

• PERF 8a8d599f:
  Broader the reverse suffix optimization to apply in more cases.

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