Update GitHub actions (#110)

* Update CI action to use Xcode 13.4.1

* Revert snapshot

* Update format action to use [email protected]

Author: Guille Gonzalez

.github/workflows/ci.yml

@@ -8,10 +8,10 @@ on:
       - '*'
 jobs:
   tests:
-    runs-on: macos-11
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v2
-      - name: Select Xcode 13.2.1
-        run: sudo xcode-select -s /Applications/Xcode_13.2.1.app
+      - name: Select Xcode 13.4.1
+        run: sudo xcode-select -s /Applications/Xcode_13.4.1.app
       - name: Run tests
         run: make test

.github/workflows/format.yml

@@ -6,13 +6,15 @@ on:
 jobs:
   format:
     name: swift-format
-    runs-on: macos-10.15
+    runs-on: macos-12
     steps:
       - uses: actions/checkout@v2
+      - name: Select Xcode 13.4.1
+        run: sudo xcode-select -s /Applications/Xcode_13.4.1.app
       - name: Tap
         run: brew tap pointfreeco/formulae
       - name: Install
-        run: brew install Formulae/swift-format@5.3
+        run: brew install Formulae/swift-format@5.6
       - name: Format
         run: make format
       - uses: stefanzweifel/git-auto-commit-action@v4