fix(docs): remove deprecated usage of npm ci --only

[erfanium]

this is the npm output when you using npm ci --only=production

npm version: 8.19.0

Step 4/7 : RUN npm ci --only=production
 ---> Running in bfc1319afc62
npm WARN config only Use `--omit=dev` to omit dev dependencies from the install.

[Trott]

@nodejs/docker

[ovflowd]

Hey @erfanium could you rebase this PR? (I'm going to merge after rebase as the @nodejs/docker WG hasn't said anything)

[erfanium]

@ovflowd sorry for my late reply. i'll do it today

[SEWeiTung]

@erfanium：Thanks for your 1st contribution to Nodejs.org and if you are free, please solve the conflict problems so as to make your changes get merged :)

[erfanium]

@MaledongGit @ovflowd Sorry all, we are in new year holidays in Iran. I have fixed all conflicts