docs: update the pre-commit repo branch

Changes the branch used by pre-commit from master to main

Signed-off-by: Sebastian Yaghoubi <[email protected]>
Signed-off-by: Andrey Smirnov <[email protected]>

Author: syaghoubi00

.pre-commit-config.yaml

@@ -2,7 +2,7 @@
 # install with `pre-commit install -t commit-msg`
 repos:
   - repo: https://github.com/siderolabs/conform
-    rev: master
+    rev: main
     hooks:
       - id: conform
         stages:

README.md

@@ -134,7 +134,7 @@ We also provide a [Pre-Commit](https://pre-commit.com) hook that you can use as
 # .pre-commit-config.yaml
 repos:
   - repo: https://github.com/siderolabs/conform
-    rev: master
+    rev: main
     hooks:
       - id: conform
         stages: