[hotfix] Partially revert 40da49e and don't test against Flink 1.19-SNAPSHOT yet

Author: MartijnVisser

.github/workflows/push_pr.yml

@@ -25,7 +25,7 @@ jobs:
   compile_and_test:
     strategy:
       matrix:
-        flink: [ 1.17.1, 1.18.0, 1.19-SNAPSHOT ]
+        flink: [ 1.17.1, 1.18.0 ]
     uses: apache/flink-connector-shared-utils/.github/workflows/ci.yml@ci_utils
     with:
       flink_version: ${{ matrix.flink }}

.github/workflows/weekly.yml

@@ -38,9 +38,6 @@ jobs:
         }, {
           flink: 1.18.0,
           branch: main
-        }, {
-          flink: 1.19-SNAPSHOT,
-          branch: main
         }]
     uses: apache/flink-connector-shared-utils/.github/workflows/ci.yml@ci_utils
     with: