github-actions(deps): update actions/cache requirement to v2.1.4

Updates the requirements on [actions/cache](https://github.com/actions/cache) to permit the latest version.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/commits/26968a09c0ea4f3e233fdddbafd1166051a095f6)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/linter.yml

@@ -14,7 +14,7 @@ jobs:
       with:
         ruby-version: 3.0.0
     - name: Cache gems
-      uses: actions/cache@v1
+      uses: actions/cache@v2.1.4
       with:
         path: vendor/bundle
         key: ${{ runner.os }}-linter-${{ hashFiles('**/Gemfile.lock') }}

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
         ruby-version: 3.0.0
 
     - name: Cache gems
-      uses: actions/cache@v1
+      uses: actions/cache@v2.1.4
       with:
         path: vendor/bundle
         key: ${{ runner.os }}-test-${{ hashFiles('**/Gemfile.lock') }}
@@ -55,7 +55,7 @@ jobs:
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
     - name: Cache Js dependencies
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       id: yarn-cache
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
@@ -69,7 +69,7 @@ jobs:
         node-version: 15.5.1
 
     - name: Cache Node Modules
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: '**/node_modules'
         key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}