Merge pull request #398 from reeseconor/main

Add support for caching dependencies between GitHub Action runs

.github/workflows/ci.yml

@@ -20,7 +20,14 @@ jobs:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
       uses: actions/checkout@v2
-    - name: Format
+    - name: Restore cache
+      uses: actions/cache@v2
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+    - name: Format  
       run: if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then exit 1; fi
       if: matrix.os == 'ubuntu-latest'
     - name: Test