Bump linter to 1.47 (#9218)

*bump linter to 1.47

Co-authored-by: William Banfield <4561443+williambanfield@users.noreply.github.com>

proxy/multi_app_conn_test.go

@@ -53,7 +53,7 @@ func TestAppConns_Failure(t *testing.T) {
 	}()
 
 	quitCh := make(chan struct{})
-	var recvQuitCh <-chan struct{} // nolint:gosimple
+	var recvQuitCh <-chan struct{} //nolint:gosimple
 	recvQuitCh = quitCh
 
 	clientCreatorMock := &mocks.ClientCreator{}