chore(deps): update actions/cache action to v2 (#518)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/go.yml

@@ -17,7 +17,7 @@ jobs:
       uses: actions/checkout@v2
 
     - name: Cache Go Modules
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
         id: go
 
       - name: Cache Go Modules
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}