fix(deps): update module dagger.io/dagger to v0.20.6

Author: netic-renovate[bot]

modules/docker/go.mod

@@ -3,7 +3,7 @@ module docker
 go 1.25.5
 
 require (
-	dagger.io/dagger v0.20.6-0.20260415192040-7058e9313c72
+	dagger.io/dagger v0.20.6
 	github.com/Khan/genqlient v0.8.1
 	github.com/dagger/otel-go v1.43.0
 )

modules/kind/go.mod

@@ -5,7 +5,7 @@ go 1.25.5
 toolchain go1.25.7
 
 require (
-	dagger.io/dagger v0.20.6-0.20260415192040-7058e9313c72
+	dagger.io/dagger v0.20.6
 	github.com/Khan/genqlient v0.8.1
 	github.com/dagger/otel-go v1.43.0
 	github.com/vektah/gqlparser/v2 v2.5.32