fix(ci): minor fixes for workflows (#1829)

Author: sthulb

.github/workflows/check-e2e.yml

@@ -68,4 +68,6 @@ jobs:
           role-to-assume: ${{ secrets.AWS_IAM_ROLE }}
           aws-region: us-east-1
       - name: Run e2e test with Maven
+        env:
+          JAVA_VERSION: ${{ matrix.java }}
         run: mvn -DskipTests install --file pom.xml && mvn -Pe2e -B verify --file powertools-e2e-tests/pom.xml

.github/workflows/security-dependencies-check.yml

@@ -36,4 +36,6 @@ jobs:
       - name: Verify Contents
         uses: actions/dependency-review-action@3b139cfc5fae8b618d3eae3675e383bb1769c019 # v4.5.0
         with:
-          config-file: './.github/dependency-review-config.yml'
+          config-file: './.github/dependency-review-config.yml'
+          head-ref: ${{ github.event_name == 'pull_request' && github.head_ref || github.ref_name }}
+          base-ref: ${{ github.event_name == 'pull_request' && github.base_ref || github.ref_name }}