Bump the actions group across 1 directory with 3 updates

Bumps the actions group with 3 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [chainguard-dev/digestabot](https://github.com/chainguard-dev/digestabot) and [rtCamp/action-slack-notify](https://github.com/rtcamp/action-slack-notify).


Updates `actions/checkout` from 4.2.1 to 4.2.2
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@eef6144...11bd719)

Updates `chainguard-dev/digestabot` from 1.2.0 to 1.2.1
- [Release notes](https://github.com/chainguard-dev/digestabot/releases)
- [Commits](chainguard-dev/digestabot@02ea60d...cee67ce)

Updates `rtCamp/action-slack-notify` from 2.3.0 to 2.3.2
- [Release notes](https://github.com/rtcamp/action-slack-notify/releases)
- [Commits](rtCamp/action-slack-notify@4e5fb42...c337377)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: chainguard-dev/digestabot
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
- dependency-name: rtCamp/action-slack-notify
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

.github/workflows/digestabot.yaml

@@ -23,15 +23,15 @@ jobs:
       with:
         egress-policy: audit
 
-    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
     - uses: octo-sts/action@6177b4481c00308b3839969c3eca88c96a91775f # v1.0.0
       id: octo-sts
       with:
         scope: ${{ github.repository }}
         identity: digestabot
 
-    - uses: chainguard-dev/digestabot@02ea60d2aeb26664ace4a9cc2ecdbea96888aaa4 # v1.2.0
+    - uses: chainguard-dev/digestabot@cee67ce333549107c469dbe7656afda5a1e1f287 # v1.2.1
       with:
         token: ${{ steps.octo-sts.outputs.token }}
         working-dir: .github

.github/workflows/presubmit-readme.yaml

@@ -8,7 +8,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
       - id: changed
         uses: tj-actions/changed-files@c3a1bb2c992d77180ae65be6ae6c166cf40f857c # v45.0.3

.github/workflows/release.yaml

@@ -33,7 +33,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - id: shard
         name: Shard
@@ -107,7 +107,7 @@ jobs:
       - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
       - uses: imjasonh/setup-crane@31b88efe9de28ae0ffa220711af4b60be9435f6e # v0.4
 
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
       - name: Terraform apply
         timeout-minutes: 60
@@ -150,7 +150,7 @@ jobs:
           name: "mega-module-${{ matrix.shard.index }}-imagetest-logs"
           path: imagetest-logs
 
-      - uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907 # v2.3.0
+      - uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990 # v2.3.2
         if: ${{ failure() && github.event_name == 'schedule' }}
         env:
           SLACK_ICON: http://github.com/chainguard-dev.png?size=48

.github/workflows/withdraw-images.yaml

@@ -20,7 +20,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: chainguard-dev/setup-chainctl@598499528905f95b94e62e4831cf42035e768933 # v0.2.3
         with:
           identity: 720909c9f5279097d847ad02a2f24ba8f59de36a/b6461e99e132298f

.github/workflows/withdraw-repos.yaml

@@ -20,7 +20,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - uses: chainguard-dev/setup-chainctl@598499528905f95b94e62e4831cf42035e768933 # v0.2.3
         with:
           identity: 720909c9f5279097d847ad02a2f24ba8f59de36a/b6461e99e132298f