fix(posts): fix broken npm links

- 2017-04-29-pass-args-npm-script.md
- 2017-05-06-webpack-dev-server.md
- 2020-01-12-eslint-sort-imports.md
- 2020-05-22-migrate-tslint-to-eslint.md
- 2020-06-07-npm-environment-variables.md
- 2020-10-23-npm-run-script-different-directory.md

```
External link https://docs.npmjs.com/cli/run-script failed (status code 404)
```

Author: remarkablemark

_posts/2017/2017-04-29-pass-args-npm-script.md

@@ -18,7 +18,7 @@ node index.js --arg
 [ '--arg' ]
 ```
 
-But how do we pass our arguments to an [npm script](https://docs.npmjs.com/cli/run-script)?
+But how do we pass our arguments to an [npm script](https://docs.npmjs.com/cli/commands/npm-run)?
 
 Given the following `package.json`:
 

_posts/2017/2017-05-06-webpack-dev-server.md

@@ -66,7 +66,7 @@ Run the server with `npx`:
 npx webpack serve
 ```
 
-Or create an [npm script](https://docs.npmjs.com/cli/run-script):
+Or create an [npm script](https://docs.npmjs.com/cli/commands/npm-run):
 
 ```json
 {

_posts/2020/2020-01-12-eslint-sort-imports.md

@@ -84,7 +84,7 @@ Execute the `eslint` binary with [npx](https://www.npmjs.com/package/npx):
 npx eslint .
 ```
 
-Or create a `package.json` [script](https://docs.npmjs.com/cli/run-script):
+Or create a `package.json` [script](https://docs.npmjs.com/cli/commands/npm-run):
 
 ```json
 {

_posts/2020/2020-05-22-migrate-tslint-to-eslint.md

@@ -81,7 +81,7 @@ Add [`env`](https://eslint.org/docs/user-guide/configuring#specifying-environmen
 
 ## Script
 
-Update your `lint` [script](https://docs.npmjs.com/cli/run-script) in `package.json`:
+Update your `lint` [script](https://docs.npmjs.com/cli/commands/npm-run) in `package.json`:
 
 ```diff
  {

_posts/2020/2020-06-07-npm-environment-variables.md

@@ -58,7 +58,7 @@ You won't see anything logged to the console.
 
 That's because npm environment variables are only available via npm.
 
-So create an [npm script](https://docs.npmjs.com/cli/run-script) in your `package.json`:
+So create an [npm script](https://docs.npmjs.com/cli/commands/npm-run) in your `package.json`:
 
 ```json
 {

_posts/2020/2020-10-23-npm-run-script-different-directory.md

@@ -8,7 +8,7 @@ categories: npm yarn script nodejs cli
 
 ## npm
 
-To run an [npm script](https://docs.npmjs.com/cli-commands/run-script.html) from another directory, use `--prefix`:
+To run an [npm script](https://docs.npmjs.com/cli/commands/npm-run) from another directory, use `--prefix`:
 
 ```sh
 npm --prefix <path> run <command>