Bump swift-actions/setup-swift from 1 to 2 (#24)

Bumps [swift-actions/setup-swift](https://github.com/swift-actions/setup-swift) from 1 to 2.
- [Release notes](https://github.com/swift-actions/setup-swift/releases)
- [Commits](swift-actions/setup-swift@v1...v2)

---
updated-dependencies:
- dependency-name: swift-actions/setup-swift
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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

@@ -70,7 +70,7 @@ jobs:
 
       - name: Setup Swift (Unices)
         if: ${{ matrix.os != 'windows-latest' }}
-        uses: 'swift-actions/setup-swift@v1'
+        uses: 'swift-actions/setup-swift@v2'
         with:
           version: 5.9
 

.github/workflows/doc-extraction.yml

@@ -41,7 +41,7 @@ jobs:
         gem install jazzy
 
     - name: Setup swift
-      uses: swift-actions/setup-swift@v1
+      uses: swift-actions/setup-swift@v2
       with:
         swift-version: 5.9