Don't use outdated node on CI

ubuntu-latest already includes a recent node version, node 14 is at its EOL.

Signed-off-by: Rūdolfs Ošiņš <rudolfs@osins.org>

.github/workflows/check-build.yml

@@ -6,8 +6,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14'
       - run: npm ci
       - run: npm run build

.github/workflows/check-format.yml

@@ -6,9 +6,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14'
       - run: npm ci
       - run: ./scripts/check-format
         shell: bash

.github/workflows/check-integration-test.yml

@@ -7,8 +7,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      # Install NPM dependencies, cache them correctly
-      # and run all Cypress tests
       - name: Cypress run
         uses: cypress-io/github-action@v4
         with:

.github/workflows/check-unit-test.yml

@@ -6,9 +6,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14'
       - run: npm ci
       - run: ./scripts/unit-test
         shell: bash

.github/workflows/check.yml

@@ -6,8 +6,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14'
       - run: npm ci
       - run: npm run check