golangci-lint: Upgrade to v2.12 (#162)

Author: tangrufus

.github/workflows/lint.yml

@@ -28,7 +28,7 @@ jobs:
     with:
       go-experiment: jsonv2
       golangci-lint: true
-      golangci-lint-version: v2.11 # Must be kept in sync with mise.toml
+      golangci-lint-version: v2.12 # Must be kept in sync with mise.toml
 
   fly:
     runs-on: ubuntu-latest

mise.toml

@@ -4,7 +4,7 @@ DOCKER = "docker"
 
 [tools]
 # Must be kept in sync with .github/workflows/lint.yml
-golangci-lint = "2.11"
+golangci-lint = "2.12"
 
 [tasks.upgrade]
 run = [