build.yml in hackerone-client-0.19.0

- old
+ new

@@ -7,11 +7,11 @@
     runs-on: ubuntu-latest
     strategy:
       matrix:
         ruby: [ '2.4', '2.5', '2.6', '2.7']
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - name: Set up Ruby ${{ matrix.ruby }}
         uses: actions/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
       - name: Build and test with Rake with Ruby ${{ matrix.ruby }}
@@ -21,10 +21,10 @@
           bundle exec rake spec
   lint:
     name: Rubocop
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v2
       - name: Set up Ruby 2.6
         uses: actions/setup-ruby@v1
         with:
           ruby-version: 2.6
       - name: Run linters