Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build-test-pack.yml

@@ -46,7 +46,7 @@ jobs:
       contents: read
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🖊️ materialize signing key

.github/workflows/codeql.yml

@@ -47,7 +47,7 @@ jobs:
 
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🎰 initialize CodeQL

.github/workflows/fossa-scan.yml

@@ -27,7 +27,7 @@ jobs:
       contents: read
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🔬 scan

.github/workflows/init.yml

@@ -47,7 +47,7 @@ jobs:
       version: ${{ steps.determine-version.outputs.version }}
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🎰 determine modules

.github/workflows/qodana.yml

@@ -47,7 +47,7 @@ jobs:
       security-events: write
     steps:
       - name: 📥 checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 
       - name: 💾 cache nuget packages

.github/workflows/semgrep.yml

@@ -40,7 +40,7 @@ jobs:
       image: semgrep/semgrep
     steps:
       - name: 📥 checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 
       - name: 🔬 semgrep scan

.github/workflows/snyk.yml

@@ -35,7 +35,7 @@ jobs:
       security-events: write
     steps:
       - name: 📥 checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 
       - name: 🏗️ restore dependencies

.github/workflows/tag.yml

@@ -20,7 +20,7 @@ jobs:
       contents: write
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🏷️ tag version

.github/workflows/test-mutations.yml

@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: 📥 checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
     - name: 🖊️ materialize signing key