Bump lodash from 4.17.19 to 4.17.21 (#6)

* Bump lodash from 4.17.19 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.19 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.19...4.17.21)

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

* Update ci.yml

* Update ci.yml

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gerald Versluis <gerald@verslu.is>

.github/workflows/ci.yml

@@ -10,18 +10,19 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    strategy:
-      matrix:
-        node: [12, 13]
-
     steps:
       - name: Checkout repo
         uses: actions/checkout@v2.0.0
 
-      - name: Install node
-        uses: actions/setup-node@v1.3.0
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v2.1.5
+        with:
+          node-version: 12
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v2.1.5
         with:
-          node-version: ${{ matrix.node }}
+          node-version: 13
 
       - run: npm ci