chore(cli): update version of CLI on root readme (#1069)

Fixes #684
https://coveord.atlassian.net/browse/CDX-1272

## Proposed changes

When releasing, copy the usage section from the CLI to the root readme.
Dumb but it works.

## Testing
- [x] Manual Tests: ran the function.

README.md

@@ -67,10 +67,21 @@ npx @coveo/cli
 
 To validate your CLI installation, use the `coveo --version` command:
 
+<!-- usage -->
+
+```sh-session
+$ npm install -g @coveo/cli
+$ coveo COMMAND
+running command...
+$ coveo (--version)
+@coveo/cli/2.2.0 linux-x64 node-v18.12.1
+$ coveo --help [COMMAND]
+USAGE
+  $ coveo COMMAND
+...
 ```
-$ coveo --version
-@coveo/cli/1.19.0 darwin-x64 node-v16.10.0
-```
+
+<!-- usagestop -->
 
 ## Getting started
 

scripts/releaseV2/phase2-git-commit-tag-push.mjs

@@ -14,7 +14,7 @@ import {
 import {Octokit} from 'octokit';
 import angularChangelogConvention from 'conventional-changelog-angular';
 import {dedent} from 'ts-dedent';
-import {readFileSync} from 'fs';
+import {readFileSync, writeFileSync} from 'fs';
 
 const CLI_PKG_MATCHER = /^@coveo\/cli@(?<version>\d+\.\d+\.\d+)$/gm;
 
@@ -60,7 +60,7 @@ const getCliChangelog = () => {
     );
     await writeChangelog(PATH, changelog);
   }
-
+  updateRootReadme();
   await gitCommit(
     dedent`
     [version bump] chore(release): release ${gitNewTag} [skip ci]
@@ -98,3 +98,12 @@ const getCliChangelog = () => {
     body: releaseBody,
   });
 })();
+
+function updateRootReadme() {
+  const usageRegExp = /^<!-- usage -->(.|\n)*<!-- usagestop -->$/m;
+  const cliReadme = readFileSync('packages/cli/core/README.md', 'utf-8');
+  let rootReadme = readFileSync('README.md');
+  const cliUsage = usageRegExp.exec(cliReadme);
+  rootReadme.replace(usageRegExp, cliUsage[0]);
+  writeFileSync('README.md', rootReadme);
+}