bump golangci-lint to 2.7.0 & gh actions versions (#14)

Author: nocive

.github/workflows/ci.yml

@@ -16,11 +16,12 @@ jobs:
     name: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v6
+      - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
           cache: true
+          check-latest: true
       - name: build
         run: "go build ./..."
 
@@ -31,28 +32,30 @@ jobs:
     name: test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v6
+      - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
           cache: true
+          check-latest: true
       - name: test
         run: go test -race ./...
 
   golangci:
     strategy:
       matrix:
         go: ["1.25"]
-        lint: ["v2.6"]
+        lint: ["v2.7"]
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v6
+      - uses: actions/setup-go@v6
         with:
           go-version: ${{ matrix.go }}
           cache: true
+          check-latest: true
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v9
         with:
           version: ${{ matrix.lint }}