ci(deps): bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/auto-labeler.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       # Label PRs based on file changes
       - name: 🏷️ Label PR based on changed files

.github/workflows/powershell.yml

@@ -29,7 +29,7 @@ jobs:
     name: PSScriptAnalyzer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Run PSScriptAnalyzer
         uses: microsoft/psscriptanalyzer-action@6b2948b1944407914a58661c49941824d149734f

.github/workflows/sync-labels.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: 🚀 Run Label Syncer
         uses: EndBug/label-sync@v2
         with: