chore(deps): bump actions/cache from 2.1.5 to 2.1.6 (#204)

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>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/[email protected]
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
       with:
         path: '**/node_modules'
         key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/[email protected]
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
       with:
         path: '**/node_modules'
         key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}

.github/workflows/pull_request_title.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/[email protected]
-    - uses: actions/[email protected].5
+    - uses: actions/[email protected].6
       with:
         path: '**/node_modules'
         key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}