Fix action deprecation warnings (#502)

Co-authored-by: David Finol <davidmfinol@gmail.com>

.github/workflows/windows-build-tests.yml

@@ -29,14 +29,14 @@ jobs:
       ###########################
       #         Checkout        #
       ###########################
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           lfs: true
 
       ###########################
       #          Cache          #
       ###########################
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: ${{ matrix.projectPath }}/Library
           key: Library-${{ matrix.projectPath }}-windows-${{ matrix.targetPlatform }}
@@ -70,7 +70,7 @@ jobs:
       ###########################
       #          Upload         #
       ###########################
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
           name: Build Windows (${{ matrix.unityVersion }})
           path: build