chore(deps): bump slackapi/slack-github-action from 1.23.0 to 1.25.0

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 1.23.0 to 1.25.0.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@v1.23...v1.25.0)

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

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

.github/workflows/production.yml

@@ -22,7 +22,7 @@ jobs:
       shell: bash
 
     - name: Notify deployment started
-      uses: slackapi/slack-github-action@v1.23.0
+      uses: slackapi/slack-github-action@v1.25.0
       with:
         channel-id: '#team-dinosaur-dev'
         slack-message: Deployment of postal-registry to production has started
@@ -73,7 +73,7 @@ jobs:
       shell: bash
 
     - name: Notify deployment finished
-      uses: slackapi/slack-github-action@v1.23.0
+      uses: slackapi/slack-github-action@v1.25.0
       with:
         channel-id: '#team-dinosaur-dev'
         slack-message: Deployment of postal-registry to new production has finished