Rename branch to main

Author: malczuuu

.github/workflows/gradle-weekly.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          ref: master
+          ref: main
 
       - name: Set up JDK 17
         uses: actions/setup-java@v4

.github/workflows/gradle.yml

@@ -2,9 +2,9 @@ name: Gradle Build
 
 on:
   push:
-    branches: [ "master" ]
+    branches: [ "main" ]
   pull_request:
-    branches: [ "master" ]
+    branches: [ "main" ]
 
 jobs:
   build: