add script get releases affected

.github/workflows/test.py

@@ -0,0 +1,33 @@
+# Extract from the files changed by this PR the channels/releases affected 
+import re
+import sys
+import json
+
+def main() -> None:
+  releases_affected = set()
+
+  for file_path in sys.argv:
+      pattern = "^releases"
+
+      # check if string starts with the "releases"
+      file_path_starts_with_releases = re.search(pattern, file_path)
+
+      if file_path_starts_with_releases :
+        directories = file_path.split('/')
+        track = directories[1]
+        risk = directories[2]
+        accepted_tracks = ["1.4","1.6","1.7","latest"]
+        accepted_risks = ["beta","edge","stable"]
+
+        if(track in accepted_tracks and risk in accepted_risks):
+          channel = f"{track}/{risk}"
+          print(channel)
+          releases_affected.add(channel)
+        else:
+          raise Exception(f"File {file_path} was changed in 'releases' directory but it's not part of a known release/channel.")
+
+  releases_affected_json = json.dumps(list(releases_affected))
+  print(f"The following releases have been affected by this PR: {releases_affected_json}")
+  print(f'::set-output name=releases_affected_json::{releases_affected_json}')
+
+main()