add caching for tests

Author: ReneWerner87

.github/workflows/test.yml

@@ -12,6 +12,22 @@ jobs:
       uses: actions/setup-go@v3
       with:
         go-version: ${{ matrix.go-version }}
+    - name: Setup Golang caches
+      uses: actions/cache@v3
+      with:
+          # In order:
+          # * Module download cache
+          # * Build cache (Linux)
+          # * Build cache (Mac)
+          # * Build cache (Windows)
+          path: |
+              ~/go/pkg/mod
+              ~/.cache/go-build
+              ~/Library/Caches/go-build
+              ~\AppData\Local\go-build
+          key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+              ${{ runner.os }}-go-${{ matrix.go-version }}-
     - name: Fetch Repository
       uses: actions/checkout@v3
     - name: Run Test