ci: extend merge freeze to '[chore] Update core dependencies' PRs on contrib

Signed-off-by: sAchin-680 <[email protected]>

Author: sAchin-680

.github/workflows/scripts/check-merge-freeze.sh

@@ -3,9 +3,18 @@
 # Copyright The OpenTelemetry Authors
 # SPDX-License-Identifier: Apache-2.0
 
+# Check for [chore] Prepare release PRs in core repo
 BLOCKERS=$( gh pr list -A opentelemetrybot -S "[chore] Prepare release" --json url -q '.[].url' -R "${REPO}" )
+
+# Check for [chore] Update core dependencies PRs in opentelemetry-collector-contrib
+CONTRIB_REPO="open-telemetry/opentelemetry-collector-contrib"
+CONTRIB_BLOCKERS=$( gh pr list -A opentelemetrybot -S "[chore] Update core dependencies" --json url -q '.[].url' -R "${CONTRIB_REPO}" )
+
+# Combine both blockers
+BLOCKERS="${BLOCKERS}${BLOCKERS:+ }${CONTRIB_BLOCKERS}"
+
 if [ "${BLOCKERS}" != "" ]; then
-    echo "Merging in main is frozen, as there are open \"Prepare release\" PRs: ${BLOCKERS}"
+    echo "Merging in main is frozen, as there are open release/update PRs: ${BLOCKERS}"
     echo "If you believe this is no longer true, re-run this job to unblock your PR."
     exit 1
 fi