Merge pull request #19951 from ahrtr/release_script_20250515

[release-3.6] Update release script to exactly match the target tag

Author: ahrtr

scripts/release.sh

@@ -184,7 +184,7 @@ main() {
     fi
 
     # Tag release.
-    if [ "$(git tag --list | grep -c "${RELEASE_VERSION}")" -gt 0 ]; then
+    if git tag --list | grep --quiet "^${RELEASE_VERSION}$"; then
       log_callout "Skipping tag step. git tag ${RELEASE_VERSION} already exists."
     else
       log_callout "Tagging release..."