do not require changelog for dependabot PRs

Author: joelhawksley

.github/workflows/lint.yml

@@ -62,7 +62,12 @@ jobs:
     steps:
       - name: echo changed files
         run: |
-          if [[ ! "${{needs.changedfiles.outputs.markdown}}" == *"CHANGELOG.md"* ]]; then
+          # Filter out Gemfile.lock files from changed files
+          ALL_FILES="${{needs.changedfiles.outputs.all}}"
+          FILTERED_FILES=$(echo "$ALL_FILES" | tr ' ' '\n' | grep -v '^Gemfile\.lock$' | grep -v '^docs/Gemfile\.lock$' | tr '\n' ' ')
+
+          # Only require changelog if there are other files changed
+          if [[ -n "$FILTERED_FILES" ]] && [[ ! "${{needs.changedfiles.outputs.markdown}}" == *"CHANGELOG.md"* ]]; then
             echo "::error file=CHANGELOG.md,line=1,col=1::Please make sure that you add a docs/CHANGELOG.md entry to describe the changes in this pull request."
             exit 1
           fi