Added stages for the mixed-line-ending

pre-commit, pre-push, manual added into the stages

Close #1267

.pre-commit-hooks.yaml

diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index 275605e..d70eabe 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -178,6 +178,7 @@
     entry: mixed-line-ending
     language: python
     types: [text]
+    stages: [pre-commit, pre-push, manual]
 -   id: name-tests-test
     name: python tests naming
     description: verifies that test files are named correctly.