Run s3-tests on codegen changes (#6560)

Codegen changes may affect S3 client functionality so make sure these
tests are run any time we update codegen.

Author: dagnir

.github/workflows/s3-regression-tests.yml

@@ -27,11 +27,11 @@ jobs:
           BASE_REF=${BASE_REF#refs/heads/}
           git fetch origin "$BASE_REF" --depth 1
           CHANGED_FILES=$(git diff origin/"$BASE_REF" --name-only)
-          if echo "$CHANGED_FILES" | grep -q -E '^core/|^services/s3/|^services-custom/s3-transfer-manager/|^http-client-spi/|^http-clients/|^test/s3-tests/'; then
-            echo "Detected changes in S3, HTTP client, core modules, or s3-tests"
+          if echo "$CHANGED_FILES" | grep -q -E '^core/|^codegen/|^services/s3/|^services-custom/s3-transfer-manager/|^http-client-spi/|^http-clients/|^test/s3-tests/'; then
+            echo "Detected changes in S3, HTTP client, core modules, s3-tests or codegen"
             echo "has_s3_related_changes=true" >> $GITHUB_OUTPUT
           else
-            echo "No changes detected in S3, HTTP client, or core modules"
+            echo "No changes detected in S3, HTTP client, core modules, s3-tests or codegen"
             echo "has_s3_related_changes=false" >> $GITHUB_OUTPUT
           fi