Migrate golangci-lint to v2

* migrate golangci lint to v2

* codereview fixes

* codereview fixes

* Changelog updated

* fix linter issues in SLO tests and examples

* fix linter issues in SLO tests and examples

---------

Co-authored-by: Konstantin Prokopenko <[email protected]>

Author: 4el0ve4ek

.github/scripts/golangci-lint-gen-configs.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
-sed 's/github.com\/ydb-platform\/ydb-go-sdk\/v3/slo/g' .golangci.yml > tests/slo/.golangci.yml
-sed 's/github.com\/ydb-platform\/ydb-go-sdk\/v3/examples/g' .golangci.yml > examples/.golangci.yml
+sed 's/github.com\/ydb-platform\/ydb-go-sdk\/v3/slo/g' .golangci.yml | sed 's/path: tests\/slo/path: ./g' > tests/slo/.golangci.yml  > tests/slo/.golangci.yml
+sed 's/github.com\/ydb-platform\/ydb-go-sdk\/v3/examples/g' .golangci.yml | sed 's/path: examples/path: ./g' > examples/.golangci.yml

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ on:
   pull_request:
   workflow_dispatch:
 env:
-  GOLANGCI_LINT_VERSION: v1.60.3
+  GOLANGCI_LINT_VERSION: v2.1.6
   GO_VERSION: '1.23'
 jobs:
   golangci:
@@ -23,7 +23,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
       - uses: actions/checkout@v4
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v8
         with:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
           args: --timeout=5m
@@ -41,7 +41,7 @@ jobs:
       - name: generate examples golangci-lint config
         run: ./.github/scripts/golangci-lint-gen-configs.sh
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v8
         with:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
           args: --timeout=5m
@@ -61,7 +61,7 @@ jobs:
       - name: generate slo golangci-lint config
         run: ./.github/scripts/golangci-lint-gen-configs.sh
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v8
         with:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
           args: --timeout=5m