github-actions(deps): bump actions/cache from 2.1.5 to 2.1.6 (#327)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 2.1.6.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.5...v2.1.6)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/code-coverage.yml

@@ -34,7 +34,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}

.github/workflows/coding-standards.yml

@@ -34,7 +34,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
@@ -49,7 +49,7 @@ jobs:
           composer bin php-cs-fixer install --no-interaction --no-progress --optimize-autoloader
 
       - name: Cache cache file for php-cs-fixer
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: .php_cs.cache
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}

.github/workflows/static-analysis.yml

@@ -33,7 +33,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}
@@ -75,7 +75,7 @@ jobs:
         run: echo "::set-output name=directory::$(composer config cache-dir)"
 
       - name: Cache dependencies installed with composer
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: ${{ steps.composer-cache.outputs.directory }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}

.github/workflows/tests.yml

@@ -45,7 +45,7 @@ jobs:
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
 
       - name: Cache dependencies
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('composer.*') }}