chore(deps): update module github.com/fluxcd/pkg/runtime to v0.81.0

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.24.2
 require (
 	github.com/aws/aws-sdk-go-v2 v1.38.3
 	github.com/aws/aws-sdk-go-v2/service/rds v1.104.1
-	github.com/fluxcd/pkg/runtime v0.59.0
+	github.com/fluxcd/pkg/runtime v0.81.0
 	github.com/go-logr/logr v1.4.3
 	github.com/mongodb-forks/digest v1.1.0
 	github.com/onsi/ginkgo/v2 v2.25.2