Disable flaky unused nolint detection

golangci/golangci-lint#3228

Signed-off-by: Andrew Haines <haines@cerbos.dev>

Author: haines

.golangci.yaml

@@ -41,7 +41,7 @@ linters-settings:
       - shadow
 
   nolintlint:
-    allow-unused: false
+    allow-unused: true # false would be preferable, but it's flaky (https://git.1-hub.cngolangci/golangci-lint/issues/3228)
     allow-leading-space: false
     require-specific: true