chore: [DevOps] Fix parsing of multiline strings in E2E test workflow

.github/workflows/e2e-test.yaml

@@ -99,19 +99,19 @@ jobs:
         # print response body with headers to stdout.  q:body only  O:print  -:stdout  S:headers
         run: wget -qO- -S localhost:8080
 
-      - name: "Slack Notification"
-        if: failure()
-        uses: slackapi/slack-github-action@v3.0.3
-        with:
-          webhook: ${{ secrets.SLACK_WEBHOOK }}
-          webhook-type: incoming-webhook
-          payload: |
-            blocks:
-              - type: "section"
-                text:
-                    type: "mrkdwn"
-                    text: "⚠️ End-to-end tests failed! 😬 Please inspect & fix by clicking <https://github.com/SAP/ai-sdk-java/actions/runs/${{ github.run_id }}|here>"
-              - type: "section"
-                text:
-                  type: "plain_text"
-                  text: "${{ steps.run_tests.outputs.error_message }} "
+#      - name: "Slack Notification"
+#        if: failure()
+#        uses: slackapi/slack-github-action@v3.0.3
+#        with:
+#          webhook: ${{ secrets.SLACK_WEBHOOK }}
+#          webhook-type: incoming-webhook
+#          payload: |
+#            blocks:
+#              - type: "section"
+#                text:
+#                    type: "mrkdwn"
+#                    text: "⚠️ End-to-end tests failed! 😬 Please inspect & fix by clicking <https://github.com/SAP/ai-sdk-java/actions/runs/${{ github.run_id }}|here>"
+#              - type: "section"
+#                text:
+#                  type: "plain_text"
+#                  text: "${{ steps.run_tests.outputs.error_message }} "