cleanup workflows

Author: baev

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -79,7 +79,7 @@ body:
     id: terms
     attributes:
       label: Code of Conduct
-      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/allure-framework/allure-java/blob/master/CODE_OF_CONDUCT.md)
+      description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/allure-framework/allure-java/blob/main/CODE_OF_CONDUCT.md)
       options:
         - label: I agree to follow this project's Code of Conduct
           required: true

.github/workflows/build.yml

@@ -7,7 +7,7 @@ on:
       - '*'
   push:
     branches:
-      - 'master'
+      - 'main'
       - 'hotfix-*'
 
 jobs: