chore: make library generation required (#1672)

* chore: make library generation required

* chore: generate libraries at Tue Nov 19 22:29:32 UTC 2024

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Co-authored-by: cloud-java-bot <[email protected]>

Author: JoeWang1127

.github/sync-repo-settings.yaml

@@ -18,6 +18,7 @@ branchProtectionRules:
       - 'Kokoro - Test: Java GraalVM Native Image'
       - 'Kokoro - Test: Java 17 GraalVM Native Image'
       - javadoc
+      - library_generation
   - pattern: 1.106.5-sp
     isAdminEnforced: true
     requiredApprovingReviewCount: 1