fix: correct branch name

Author: YegorZh

.github/workflows/CI.yaml

@@ -3,7 +3,7 @@ on:
   push:
   pull_request:
     branches:
-      - master
+      - main
 
 jobs:
   unit-openapi-ruby-sdk:
@@ -12,10 +12,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1
         with:
-          ruby-version: "3.2.0"
+          ruby-version: "3.1"
 
       - name: Install dependencies
-        uses: bundle install
+        run: bundle install
 
       - name: Execute tests
         run: bundle exec rspec

.github/workflows/publish-gem.yaml

@@ -12,7 +12,7 @@ jobs:
           ruby-version: "3.2.0"
 
       - name: Install dependencies
-        uses: bundle install
+        run: bundle install
 
       - name: Execute Rake build
         run: bundle exec rake build