Bump slackapi/slack-github-action from 1.24.0 to 2.0.0 (#1174)

* Bump slackapi/slack-github-action from 1.24.0 to 2.0.0

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 1.24.0 to 2.0.0.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@e28cf16...485a9d4)

---
updated-dependencies:
- dependency-name: slackapi/slack-github-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update usage of slack-github-action to match new API

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tim Riffer <tim.riffer@sap.com>

.github/actions/slack-notification-failed-workflow/action.yaml

@@ -12,10 +12,9 @@ runs:
     - name: Notify
       uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
       with:
+        webhook: ${{ secrets.SLACK_WEBHOOK_URL }}
+        webhook-type: webhook-trigger
+        payload-templated: true
         payload: |
-          {
-            "repository": "${{ github.repository }}",
-            "workflow": "${{ github.workflow }}"
-          }
-      env:
-        SLACK_WEBHOOK_URL: ${{ inputs.SLACK_WEBHOOK_URL }}
+          repository: ${{ github.repository }},
+          workflow: ${{ github.workflow }}

.github/workflows/create-release.yaml

@@ -131,12 +131,11 @@ jobs:
     if: success()
     steps:
       - name: Notify
-        uses: slackapi/slack-github-action@e28cf165c92ffef168d23c5c9000cffc8a25e117 # v1.24.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
+          webhook: ${{ secrets.SLACK_RELEASE_WEBHOOK }}
+          webhook-type: webhook-trigger
+          payload-templated: true
           payload: |
-            {
-              "repository": "${{ github.repository }}",
-              "release": "${{ inputs.name }}"
-            }
-        env:
-          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_RELEASE_WEBHOOK }}
+            repository: ${{ github.repository }},
+            release: ${{ inputs.name }}