chore/dev: Bump Go to 1.27

.github/workflows/go.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.25.x
+          go-version: 1.27.x
       - name: Enable pulling Go modules from private sourcegrahp/sourcegraph 
         run: git config --global url."https://${PRIVATE_TOKEN}@github.com/sourcegraph/".insteadOf "https://github.com/sourcegraph/"
       - name: Check Go module tidiness
@@ -44,17 +44,16 @@ jobs:
             exit 1
           fi
       - name: Run golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@1e7e51e771db61008b38414a730f564565cf7c20 # v9.2.0
         with:
           version: latest
-          install-mode: goinstall
           args: --timeout=30m
 
   test:
     name: Test
     strategy:
       matrix:
-        go-version: [ 1.25.x ]
+        go-version: [ 1.27.x ]
         platform: [ ubuntu-latest ]
     runs-on: ${{ matrix.platform }}
     steps:

.golangci.yml

@@ -1,33 +1,46 @@
-linters-settings:
-  nakedret:
-    max-func-lines: 0 # Disallow any unnamed return statement
-  depguard:
-    rules:
-      main:
-        deny:
-          - pkg: "errors"
-            desc: use "github.com/sourcegraph/sourcegraph/lib/errors" instead
-
-issues:
-  exclude-rules:
-    - path: _test\.go
-      linters:
-        - gosec
+version: "2"
 
 linters:
   enable:
     - unused
     - errcheck
-    - gosimple
     - govet
     - ineffassign
     - staticcheck
-    - typecheck
     - nakedret
-    - gofmt
     - rowserrcheck
     - unconvert
-    - goimports
     - unparam
     - depguard
     - gosec
+  settings:
+    nakedret:
+      max-func-lines: 0 # Disallow any unnamed return statement
+    depguard:
+      rules:
+        main:
+          deny:
+            - pkg: "errors"
+              desc: use "github.com/sourcegraph/sourcegraph/lib/errors" instead
+    staticcheck:
+      # Keep v1 behaviour: staticcheck (SA) + gosimple (S1) checks only.
+      checks:
+        - all
+        - -ST*
+        - -QF*
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    rules:
+      - path: _test\.go
+        linters:
+          - gosec
+
+formatters:
+  enable:
+    - gofmt
+    - goimports

.tool-versions

@@ -1 +1 @@
-golang 1.23.4
+golang 1.27.0

go.mod

@@ -1,6 +1,6 @@
 module github.com/sourcegraph/sourcegraph-accounts-sdk-go
 
-go 1.25.0
+go 1.27.0
 
 require (
 	cloud.google.com/go/pubsub/v2 v2.6.0