Rename master to main

.github/workflows/branch_build.yml

@@ -2,7 +2,7 @@ name: "Branch build"
 on:
   push:
     branches-ignore:
-      - master
+      - main
       - develop
       - release/*
 jobs:

.github/workflows/pr_build.yml

@@ -9,7 +9,7 @@ on:
       - 'docs/**'
   push:
     branches:
-      - master
+      - main
       - release/*
     tags-ignore:
       - '*'

CREATE_RELEASE.MD

@@ -23,7 +23,7 @@ git flow release publish
 
 git flow release finish <version>
 git push origin develop
-git push origin master
+git push origin main
 git push --tags
 ```