removed the `npm@9` installation

.github/workflows/auto-test.yml

@@ -33,7 +33,6 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node }}
-    - run: npm install npm@9 -g
     - run: npm install
     - run: npm run build
     - run: npm run test-backend
@@ -61,8 +60,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-          check-latest: true
-      - run: npm install npm@9 -g
       - run: npm ci --production
 
   check-linters:

README.md

@@ -62,9 +62,6 @@ Requirements:
 - [pm2](https://pm2.keymetrics.io/) - For running Uptime Kuma in the background
 
 ```bash
-# Update your npm
-npm install npm@9 -g
-
 git clone https://github.com/louislam/uptime-kuma.git
 cd uptime-kuma
 npm run setup