chore: update golangci-lint configuration

Author: ldez

.github/workflows/lint.yml

@@ -14,26 +14,6 @@ permissions:
   contents: read
 
 jobs:
-  format:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone repository
-        uses: actions/checkout@v4
-
-      - name: Set up Go
-        uses: actions/setup-go@v5
-        with:
-          go-version: stable
-
-      - name: Set up gofumpt
-        run: go install mvdan.cc/gofumpt@latest
-
-      - name: Run gofumpt
-        run: |
-          non_formatted_files="$(gofumpt -l .)"
-          echo "$non_formatted_files"
-          test -z "$non_formatted_files"
-
   golangci-lint:
     runs-on: ubuntu-latest
 

.golangci.yaml

@@ -1,4 +1,9 @@
 version: "2"
+
+formatters:
+  enable:
+    - gofumpt
+
 linters:
   enable:
     - makezero