Change container base image to cgr.dev/chainguard/static (#2881)

* Change container base image to cgr.dev/chainguard/static
* Lint fixes
* fix test failure
* Add router deployment wait
* add check command in upgrade script

---------

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

pkg/executor/fscache/functionServiceCache.go

@@ -40,7 +40,7 @@ import (
 
 type fscRequestType int
 
-//type executorType int
+// type executorType int
 
 // FunctionServiceCache Request Types
 const (

pkg/executor/fscache/functionServiceCache_test.go

@@ -165,7 +165,7 @@ func TestFunctionServiceNewCache(t *testing.T) {
 	_, err = fsc.GetFuncSvc(ctx, fsvc.Function, 5, concurrency)
 	require.NoError(t, err)
 
-	//key := fmt.Sprintf("%v_%v", cancel.UID, fn.ObjectMeta.ResourceVersion)
+	// key := fmt.Sprintf("%v_%v", cancel.UID, fn.ObjectMeta.ResourceVersion)
 	key := crd.CacheKeyURGFromMeta(&fn.ObjectMeta)
 	fsc.MarkAvailable(key, fsvc.Address)