build(deps): bump the github-actions group across 1 directory with 2 updates

Bumps the github-actions group with 2 updates in the / directory: [chainguard-dev/actions](https://github.com/chainguard-dev/actions) and [rtCamp/action-slack-notify](https://github.com/rtcamp/action-slack-notify).


Updates `chainguard-dev/actions` from 1.6.19 to 1.6.23
- [Release notes](https://github.com/chainguard-dev/actions/releases)
- [Commits](chainguard-dev/actions@c69a264...5f02082)

Updates `rtCamp/action-slack-notify` from 2.3.3 to 2.4.0
- [Release notes](https://github.com/rtcamp/action-slack-notify/releases)
- [Commits](rtCamp/action-slack-notify@v2.3.3...v2.4.0)

---
updated-dependencies:
- dependency-name: chainguard-dev/actions
  dependency-version: 1.6.22
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-actions
- dependency-name: rtCamp/action-slack-notify
  dependency-version: 2.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

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

Author: dependabot[bot]

.github/workflows/kind-e2e.yaml

@@ -76,7 +76,7 @@ jobs:
 
     - name: Install KinD
       # TODO: replace with chainguard-dev/actions/setup-kind
-      uses: chainguard-dev/actions/setup-kind@c69a264ec2a5934c3186c618f368fc1c86f16cff # main
+      uses: chainguard-dev/actions/setup-kind@5f020827ba80ff5d64d45116542d0c733e8e7e71 # main
       with:
         k8s-version: ${{ matrix.k8s-version }}
         kind-worker-count: 1
@@ -156,7 +156,7 @@ jobs:
         fi
 
     - name: Post failure notice to Slack
-      uses: rtCamp/action-slack-notify@v2.3.3
+      uses: rtCamp/action-slack-notify@v2.4.0
       if: ${{ failure() && github.event_name != 'pull_request' }}
       env:
         SLACK_ICON: https://github.com/knative.png?size=48

.github/workflows/weekly-office-hours-slack-reminder.yaml

@@ -37,7 +37,7 @@ jobs:
           fi
       - name: Post reminder to Slack
         if: steps.check-week.outputs.should_run == 'true'
-        uses: rtCamp/action-slack-notify@v2.3.3
+        uses: rtCamp/action-slack-notify@v2.4.0
         env:
           SLACK_ICON: https://github.com/knative.png?size=48
           SLACK_USERNAME: github-actions