Update github actions

Author: DennisSimon

.github/workflows/build-and-test.yml

@@ -10,10 +10,10 @@ jobs:
         steps:
             - uses: actions/checkout@v2
             - run: git fetch --no-tags --prune --depth=1 origin +refs/heads/*:refs/remotes/origin/*
-            - name: Setup node 12
+            - name: Setup node 14
               uses: actions/setup-node@v1
               with:
-                  node-version: 12.x
+                  node-version: 14.x
             - run: yarn install --frozen-lockfile --check-files
             - uses: actions/cache@v1
               id: cache-deps
@@ -30,10 +30,10 @@ jobs:
               with:
                   path: '.'
                   key: ${{ github.sha }}-deps
-            - name: Setup node 12
+            - name: Setup node 14
               uses: actions/setup-node@v1
               with:
-                  node-version: 12.x
+                  node-version: 14.x
             - run: yarn lint
     unit-test:
         runs-on: ubuntu-latest
@@ -44,17 +44,17 @@ jobs:
               with:
                   path: '.'
                   key: ${{ github.sha }}-deps
-            - name: Setup node 12
+            - name: Setup node 14
               uses: actions/setup-node@v1
               with:
-                  node-version: 12.x
+                  node-version: 14.x
             - run: yarn test
     build:
         runs-on: ubuntu-latest
         needs: install-dependencies
         strategy:
             matrix:
-                node-version: [12.x]
+                node-version: [14.x]
         steps:
             - uses: actions/cache@v1
               id: restore-deps