fix(ci): re-enable and update lint job

Uncomments the lint job in CI and updates golangci-lint version to 'latest' to support Go 1.23. Also removes the deprecated 'version' field from .golangci.yml.

.github/workflows/ci.yml

@@ -7,19 +7,19 @@ on:
     branches: [ "main" ]
 
 jobs:
-#   lint:
-#     name: Lint
-#     runs-on: ubuntu-latest
-#     steps:
-#       - uses: actions/checkout@v4
-#       - uses: actions/setup-go@v5
-#         with:
-#           go-version: '1.23'
-#           cache: false
-#       - name: golangci-lint
-#         uses: golangci/golangci-lint-action@v6
-#         with:
-#           version: v2.8.0
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.23'
+          cache: false
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: latest
 
   test:
     name: Test

.golangci.yml

@@ -1,5 +1,4 @@
 # Options for analysis running.
-version: 2
 run:
   timeout: 5m