[FLINK-36332] try a different relative path

Author: SamBarker

.github/workflows/ci.yml

@@ -81,7 +81,7 @@ jobs:
         test:
           - test_application_operations.sh
     steps:
-      - uses: ./.github/workflows/e2e.yaml
+      - uses: .github/workflows/e2e.yaml
         with:
           java-version: ${{ matrix.java-version }}
           flink-version: "v1_20"