Bump slackapi/slack-github-action from 1.25.0 to 1.26.0

Bumps [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action) from 1.25.0 to 1.26.0.
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@v1.25.0...v1.26.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/publish_to_pypi.yml

@@ -62,7 +62,7 @@ jobs:
 
       - name: Notify Slack of release workflow result
         if: always()
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         with:
           channel-id: "C05PLVB1Y04"
           payload-file-path: ".github/workflows/payloads/release_payload.json"

.github/workflows/test.yml

@@ -71,7 +71,7 @@ jobs:
 
       - name: Post to Slack about the result of the Pull Request
         if: ( always() && github.event_name == 'pull_request' && !(github.event.action == 'closed' && github.event.pull_request.merged == true) )
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         with:
           channel-id: "C05P40DCGAK"
           payload-file-path: ".github/workflows/payloads/pr_payload.json"
@@ -81,7 +81,7 @@ jobs:
       - name: Post to Slack about the result of the push
         if: ( always() && github.event_name == 'push' && github.ref == 'refs/heads/main' )
         id: slack
-        uses: slackapi/slack-github-action@v1.25.0
+        uses: slackapi/slack-github-action@v1.26.0
         with:
           channel-id: "C05P40DCGAK"
           payload-file-path: ".github/workflows/payloads/push_payload.json"