Update node to 16

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['12', '14']
+        node: [ '12', '14', '16' ]
     name: Test and build with NodeJS ${{ matrix.node }}
     steps:
       - name: Checkout repository
@@ -28,7 +28,7 @@ jobs:
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-${{ matrix.node }}-yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
             ${{ runner.os }}-yarn-
       - name: Set up NodeJS

.github/workflows/e2e.yml

@@ -33,14 +33,14 @@ jobs:
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-16-yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
             ${{ runner.os }}-yarn-
 
       - name: Set up NodeJS
         uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 16
 
       - name: Install dependencies
         run: yarn install --frozen-lockfile --prefer-offline

.github/workflows/lint.yml

@@ -27,14 +27,14 @@ jobs:
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-16-yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
             ${{ runner.os }}-yarn-
 
       - name: Set up NodeJS
         uses: actions/setup-node@v2
         with:
-          node-version: 14
+          node-version: 16
       - name: Install dependencies
         run: yarn install --frozen-lockfile --prefer-offline
       - name: Lint code