CI: update actions to v3, use macos-11 environment and bump Android API target

Author: aeiouaeiouaeiouaeiouaeiouaeiou

.github/workflows/build.yml

@@ -9,11 +9,11 @@ jobs:
       BUILD_TYPE: ${{ matrix.type }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-10.15]
+        os: [ubuntu-20.04, windows-2019, macos-11]
         type: [Release, Debug]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
 
@@ -46,13 +46,13 @@ jobs:
       matrix:
         type: [Release, Debug]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
 
     - name: Configure CMake
       shell: bash
-      run: cmake -S . -B build -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake -DANDROID_NATIVE_API_LEVEL=android-26
+      run: cmake -S . -B build -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake -DANDROID_NATIVE_API_LEVEL=android-28
 
     - name: Build
       shell: bash
@@ -61,7 +61,7 @@ jobs:
   check_format:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true