Bump the github-actions group with 2 updates

Bumps the github-actions group with 2 updates: [codecov/codecov-action](https://github.com/codecov/codecov-action) and [slackapi/slack-github-action](https://github.com/slackapi/slack-github-action).


Updates `codecov/codecov-action` from 4.6.0 to 5.0.0
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@b9fd7d1...9688725)

Updates `slackapi/slack-github-action` from 1.27.0 to 2.0.0
- [Release notes](https://github.com/slackapi/slack-github-action/releases)
- [Commits](slackapi/slack-github-action@37ebaef...485a9d4)

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

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

.github/workflows/reusable-phpunit-tests-v3.yml

@@ -207,7 +207,7 @@ jobs:
 
       - name: Upload test coverage report to Codecov
         if: ${{ inputs.coverage-report }}
-        uses: codecov/codecov-action@b9fd7d16f6d7d1b5d2bec1a2887e65ceed900238 # v4.6.0
+        uses: codecov/codecov-action@968872560f81e7bdde9272853e65f2507c0eca7c # v5.0.0
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: wp-code-coverage${{ inputs.multisite && '-multisite' || '-single' }}-${{ github.sha }}.xml

.github/workflows/slack-notifications.yml

@@ -168,7 +168,7 @@ jobs:
 
     steps:
       - name: Post failure notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: ${{ needs.prepare.outputs.payload }}
         env:
@@ -185,7 +185,7 @@ jobs:
 
     steps:
       - name: Post failure notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: ${{ needs.prepare.outputs.payload }}
         env:
@@ -202,7 +202,7 @@ jobs:
 
     steps:
       - name: Post success notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: ${{ needs.prepare.outputs.payload }}
         env:
@@ -219,7 +219,7 @@ jobs:
 
     steps:
       - name: Post cancelled notifications to Slack
-        uses: slackapi/slack-github-action@37ebaef184d7626c5f204ab8d3baff4262dd30f0 # v1.27.0
+        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
         with:
           payload: ${{ needs.prepare.outputs.payload }}
         env: