build: Rename default branch to main

Author: blocknotes

.github/workflows/linters.yml

@@ -3,9 +3,9 @@ name: Linters
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   reviewdog:

.github/workflows/specs_rails70.yml

@@ -3,9 +3,9 @@ name: Specs Rails 7.0
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test:

.github/workflows/specs_rails71.yml

@@ -3,9 +3,9 @@ name: Specs Rails 7.1
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test:

.github/workflows/specs_rails72.yml

@@ -3,9 +3,9 @@ name: Specs Rails 7.2
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test:

.github/workflows/specs_rails80.yml

@@ -3,9 +3,9 @@ name: Specs Rails 8.0
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
   push:
-    branches: [master]
+    branches: [main]
 
 jobs:
   test: