[FLINK-36659] Add 2.0.0 to CI.

Author: lvyanquan

.github/workflows/push_pr.yml

@@ -28,7 +28,7 @@ jobs:
   compile_and_test:
     strategy:
       matrix:
-        flink: [2.1-SNAPSHOT]
+        flink: [2.0.0]
         jdk: [ '17' ]
     uses: apache/flink-connector-shared-utils/.github/workflows/ci.yml@ci_utils
     with:

.github/workflows/weekly.yml

@@ -33,6 +33,10 @@ jobs:
           flink: 2.1-SNAPSHOT,
           jdk: '17',
           branch: main
+        }, {
+          flink: 2.1-SNAPSHOT,
+          jdk: '17',
+          branch: main
         }, {
           flink: 1.19.1,
           jdk: '8, 11, 17, 21',