fix(ci): implement stricter linting settings

.github/workflows/docker-ci.yml

@@ -13,13 +13,20 @@ jobs:
     name: Lint and test yay
     # This job runs on Linux
     runs-on: ubuntu-latest
-    container: samip537/archlinux:devel
+    container:
+      image: samip537/archlinux:devel
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
       - name: Run Build and tests
         run: |
           pacman -Sy --noconfirm go
-          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.25.1
+          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.26.0
           ./bin/golangci-lint run ./...
           make test