replace usages of main branch

Author: SuperchupuDev

.github/CONTRIBUTING.md

@@ -8,7 +8,7 @@ is a great boon to your development process.
 
 To get ready to work on the codebase, please do the following:
 
-1. Fork & clone the repository, and make sure you're on the **main** branch
+1. Fork & clone the repository, and make sure you're on the **master** branch
 2. Run `pnpm install --frozen-lockfile`
 3. Code!
 4. Run `node --run check`, `node --run typecheck` and `node --run test`

.github/workflows/ci.yml

@@ -1,9 +1,9 @@
 name: CI
 on:
   push:
-    branches: [main]
+    branches: [master]
   pull_request:
-    branches: [main]
+    branches: [master]
 jobs:
   biome:
     name: Biome

biome.json

@@ -3,7 +3,7 @@
   "vcs": {
     "enabled": true,
     "clientKind": "git",
-    "defaultBranch": "main",
+    "defaultBranch": "master",
     "useIgnoreFile": true
   },
   "formatter": {