Upgrade to golangci-lint v2 (#775)

Upgrades golangci-lint from v1 to v2. Automated by Linear issue IT-144.

Co-authored-by: CI <ci@pulumi.com>

.golangci.yml

@@ -1,37 +1,46 @@
-# WARNING: This file is autogenerated - changes will be overwritten when regenerated by https://github.com/pulumi/ci-mgmt
-
+version: "2"
 linters:
   enable:
-  - errcheck
-  - gci
-  - goconst
-  - gofmt
-  - gosec
-  - govet
-  - ineffassign
-  - lll
-  - gosimple
-  - staticcheck
-  - misspell
-  - nakedret
-  - revive
-  - unconvert
-  - unused
-  enable-all: false
-issues:
-  exclude-dirs:
-  - pkg/vendored
-  exclude-files:
-  - schema.go
-  - pulumiManifest.go
-run:
-  timeout: 20m
-linters-settings:
-  gci:
-    sections:
-      - standard # Standard section: captures all standard library packages.
-      - blank # Blank section: contains all blank imports.
-      - default # Default section: contains all imports that could not be matched to another section type.
-      - prefix(github.com/pulumi/) # Custom section: groups all imports with the github.com/pulumi/ prefix.
-      - prefix(github.com/pulumi/pulumi-docker-build) # Custom section: local imports
-    custom-order: true
+    - goconst
+    - gosec
+    - lll
+    - misspell
+    - nakedret
+    - revive
+    - unconvert
+  exclusions:
+    generated: lax
+    presets:
+      - comments
+      - common-false-positives
+      - legacy
+      - std-error-handling
+    paths:
+      - schema.go
+      - pulumiManifest.go
+      - pkg/vendored
+      - third_party$
+      - builtin$
+      - examples$
+formatters:
+  enable:
+    - gci
+    - gofmt
+  settings:
+    gci:
+      sections:
+        - standard
+        - blank
+        - default
+        - prefix(github.com/pulumi/)
+        - prefix(github.com/pulumi/pulumi-docker-build)
+      custom-order: true
+  exclusions:
+    generated: lax
+    paths:
+      - schema.go
+      - pulumiManifest.go
+      - pkg/vendored
+      - third_party$
+      - builtin$
+      - examples$