Bump sersoft-gmbh/os-version-action from 2 to 3

Bumps [sersoft-gmbh/os-version-action](https://github.com/sersoft-gmbh/os-version-action) from 2 to 3.
- [Release notes](https://github.com/sersoft-gmbh/os-version-action/releases)
- [Commits](sersoft-gmbh/os-version-action@v2...v3)

---
updated-dependencies:
- dependency-name: sersoft-gmbh/os-version-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docs.yml

@@ -67,7 +67,7 @@ jobs:
         with:
           swift-version: '5.7'
       - name: Read OS Version
-        uses: sersoft-gmbh/os-version-action@v2
+        uses: sersoft-gmbh/os-version-action@v3
         id: os-version
       - uses: actions/checkout@v4
       - uses: actions/cache@v3

.github/workflows/swift-test.yml

@@ -42,7 +42,7 @@ jobs:
           platform: ${{ matrix.os }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Read OS Version
-        uses: sersoft-gmbh/os-version-action@v2
+        uses: sersoft-gmbh/os-version-action@v3
         id: os-version
       - name: Read Swift Version
         uses: sersoft-gmbh/swift-version-action@v2
@@ -82,7 +82,7 @@ jobs:
         with:
           xcode-version: ^14.1
       - name: Read OS Version
-        uses: sersoft-gmbh/os-version-action@v2
+        uses: sersoft-gmbh/os-version-action@v3
         id: os-version
       - name: Read Swift Version
         uses: sersoft-gmbh/swift-version-action@v2