ci: remove references to master branch

Author: SuperFola

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: "Testing ArkScript"
 
 on:
   push:
-    branches: [ dev, master ]
+    branches: [ dev ]
     paths-ignore:
       - '.github/workflows/benchmarks.yml'
       - '.github/workflows/docker.yml'

.github/workflows/codeql.yml

@@ -2,9 +2,9 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "dev", "master" ]
+    branches: [ "dev" ]
   pull_request:
-    branches: [ "dev", "master" ]
+    branches: [ "dev" ]
   schedule:
     - cron: '34 12 * * 4'