Bump go releaser to 1.16

Author: mattmoor

.github/workflows/release.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.16.x
       - name: GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with: