Bump all dependencies (and fix dependabot mess) (#822)

* build(deps): bump all Go deps

* build(deps): bump actions/setup-go & actions/stale

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: actions/setup-go@v1
+      - uses: actions/setup-go@v2
         with:
           go-version: ${{ env.GO_VERSION }}
       - uses: actions/cache@v2