Update CI to use Xcode 11.4.1 (#26)

Makes local development a bit friendlier, too.

Author: stephencelis

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         xcode:
           - 11.3
-          - 11.4
+          - 11.4.1
     steps:
       - uses: actions/checkout@v2
       - name: Select Xcode ${{ matrix.xcode }}
@@ -27,7 +27,7 @@ jobs:
     runs-on: macOS-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Select Xcode 11.4
-        run: sudo xcode-select -s /Applications/Xcode_11.4.app
+      - name: Select Xcode 11.4.1
+        run: sudo xcode-select -s /Applications/Xcode_11.4.1.app
       - name: Run tests
         run: make test-workspace

Makefile

@@ -1,7 +1,6 @@
-PLATFORM_IOS = iOS Simulator,name=iPhone 11 Pro Max,OS=13.4
+PLATFORM_IOS = iOS Simulator,name=iPhone 11 Pro Max,OS=13.4.1
 PLATFORM_MACOS = macOS
 PLATFORM_TVOS = tvOS Simulator,name=Apple TV 4K (at 1080p),OS=13.4
-PLATFORM_WATCHOS = watchOS Simulator,name=Apple Watch Series 4 - 44mm,OS=6.2
 
 default: test-all