chore: update github workflow for new Go version

Author: annatar

.github/workflows/pull-request.yml

@@ -14,25 +14,25 @@ jobs:
       - name: Get sources
         uses: actions/checkout@v4
 
-      - name: Set up Go 1.24.4
+      - name: Set up Go 1.26
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24.4"
+          go-version: "1.26"
 
       - name: Run go mod tidy
         run: go mod tidy
 
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v9
         with:
-          version: v1.64.8
+          version: 2.11
           args: --timeout=500s
           skip-cache: true
 
       - name: Run govulncheck
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.24
+          go-version-input: 1.26
           go-package: ./...
 
       - name: Run tests