Make airbyte-platform repo build leaner

.github/actions/match-github-to-slack-user/action.yml

@@ -0,0 +1,25 @@
+# This action will try to match git commit author (GITHUB_ACTOR) with Slack user
+# and add it to GITHUB_OUTPUT
+# Following env variables should be provided.
+# Provided by Github:
+#   GITHUB_ACTOR: commit author
+#   GITHUB_REPOSITORY: name of the repo we check the commit author, e.g. "airbytehq/airbyte-platform-internal"
+# Required:
+#   AIRBYTE_HQ_BOT_SLACK_TOKEN: ${{ secrets.AIRBYTE_HQ_BOT_SLACK_TOKEN }}
+#   AIRBYTE_TEAM_BOT_SLACK_TOKEN: ${{ secrets.AIRBYTE_TEAM_BOT_SLACK_TOKEN }}
+#   GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+name: 'Match Github user to Slack user'
+description: 'Match Github user to Slack by email or full name in Github profile.'
+outputs:
+  slack_user_ids:
+    description: 'Comma separated slack user IDs that match to GITHUB_ACTOR (Github username)'
+    value: ${{ steps.match-github-to-slack-user.outputs.slack_user_ids }}
+runs:
+  using: 'composite'
+  steps:
+    - name: Match github user to slack user
+      id: match-github-to-slack-user
+      run: |
+        ./tools/bin/match_github_user_to_slack
+      shell: bash