🔥 remove node14 references

Signed-off-by: Vinicius Reis <vinicius.reis@nextcloud.com>

.github/workflows/node-test.yml

@@ -11,17 +11,14 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ 14, 16, 18 ]
+        node: [ 16, 18 ]
     name: Test Node v${{ matrix.node }}
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
           node-version: ${{ matrix.node }}
           cache: 'npm'
-      - name: setup npm@^7
-        run: npm -g install npm@^7
-        if: matrix.node == 14 # remove when deprecate node14
       - name: install dependencies
         run: npm ci
       - name: build package

README.md

@@ -60,10 +60,5 @@ npm run test
 
 ### Requirements
 
-- [Node 14 or higher](https://nodejs.org/en/download/)
-- [NPM 7 or higher](https://www.npmjs.com/package/npm)
-
-### Recommendations
-
-- [Node 16](https://nodejs.org/en/download/)
-- [NPM 8](https://www.npmjs.com/package/npm)
+- [Node 16 or higher](https://nodejs.org/en/download/)
+- [NPM 8 or higher](https://www.npmjs.com/package/npm)