Update GitHub Actions

Author: koji-1009

.github/workflows/pr_check.yml

@@ -6,44 +6,24 @@ jobs:
   danger:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/[email protected]
+      - uses: actions/checkout@v2
 
-      - name: Bundler Cache
-        uses: actions/[email protected]
+      - uses: actions/cache@v2
         with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
-            ${{ runner.os }}-gems-
-      - name: Setup Ruby for use with actions
-        uses: actions/[email protected]
-        with:
-          ruby-version: '2.7'
-      - name: Install Danger
-        run: |
-          gem install bundler
-          bundle config set path 'vendor/bundle'
-          bundle config set clean 'true'
-          bundle check || bundle install --jobs 4 --retry 3
-
-      - name: Gradle dist Cache
-        uses: actions/[email protected]
-        with:
-          path: ~/.gradle/wrapper
-          key: ${{ runner.os }}-dist-gradle-${{ hashFiles('**/gradle-wrapper.properties') }}
-      - name: Gradle dependencies Cache
-        uses: actions/[email protected]
-        with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-v1-gradle-${{ hashFiles('./build.gradle') }}-${{ hashFiles('**/build.gradle') }}
-          restore-keys: |
-            ${{ runner.os }}-v1-gradle-${{ hashFiles('./build.gradle') }}-
-            ${{ runner.os }}-v1-gradle-
+            ${{ runner.os }}-gradle-
       - name: Download Dependencies
         run: |
           ./gradlew androidDependencies --no-daemon
 
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7.2
+          bundler-cache: true
       - name: Run danger
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -52,21 +32,16 @@ jobs:
   unit_test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/[email protected]
+      - uses: actions/checkout@v2
 
-      - name: Gradle dist Cache
-        uses: actions/[email protected]
-        with:
-          path: ~/.gradle/wrapper
-          key: ${{ runner.os }}-dist-gradle-${{ hashFiles('**/gradle-wrapper.properties') }}
-      - name: Gradle dependencies Cache
-        uses: actions/[email protected]
+      - uses: actions/cache@v2
         with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-v1-gradle-${{ hashFiles('**/build.gradle') }}
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
-            ${{ runner.os }}-v1-gradle-
+            ${{ runner.os }}-gradle-
       - name: Download Dependencies
         run: |
           ./gradlew androidDependencies --no-daemon