bump golangci-lint to make it pass? (#432)

Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/432
Co-authored-by: 6543 <6543@obermui.de>
Co-committed-by: 6543 <6543@obermui.de>

.woodpecker/lint.yml

@@ -6,7 +6,7 @@ when:
 steps:
   lint:
     depends_on: []
-    image: golangci/golangci-lint:v1.63.4
+    image: golangci/golangci-lint:v1.64.5
     commands:
       - go version
       - go install mvdan.cc/gofumpt@latest