Updated go version used by gh-actions build workflow

Author: cmaglie

Diff for: .github/workflows/build.yml

@@ -37,7 +37,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.13'
+          go-version: '1.16.9'
 
       - name: Build and Test
         run: |