Stick to Ubuntu 22.04 as a workaround of https://bugs.openjdk.org/browse/JDK-8348566 and https://bugs.openjdk.org/browse/JDK-8349988 (still unresolved).

Author: yuxiqian

.github/workflows/flink_cdc_base.yml

@@ -44,7 +44,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     timeout-minutes: 120
     strategy:
       max-parallel: 20