chore: Fixes permissions in Mockery generated files (#289)

Author: lantoli

tools/scripts/generate_mocks.sh

@@ -3,7 +3,7 @@ rm -Rf ../mockadmin
 
 # install only if not already present
 if ! which mockery ; then
-	docker run --rm -v "$(dirname "$PWD")":/src --workdir=/src vektra/mockery:v2.42.1
+	docker run --rm -u "$(id -u):$(id -g)" -v "$(dirname "$PWD")":/src --workdir=/src vektra/mockery:v2.42.1
 else
 	mockery --dir ../mockadmin
 fi