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)
- [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/pull-requests.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
@@ -36,7 +36,7 @@ jobs:
     runs-on: windows-latest
     timeout-minutes: 40
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:
@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 40
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:

.github/workflows/push-master.yml

@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 60
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with: