Update yarn install step from dev guide (#5067) (#5183)

* Update yarn install step from dev guide

Signed-off-by: Matt Provost <provomat@amazon.com>

* Update the corepack command

Signed-off-by: Matt Provost <provomat@amazon.com>

* Update to use corepack install

Signed-off-by: Matt Provost <provomat@amazon.com>

* Revise corepack url

Signed-off-by: Matt Provost <provomat@amazon.com>

---------

Signed-off-by: Matt Provost <provomat@amazon.com>
(cherry picked from commit 46d7c2d)

Co-authored-by: Matt Provost <provomat@amazon.com>
Co-authored-by: Sean Neumann <1413295+seanneumann@users.noreply.github.com>

DEVELOPER_GUIDE.md

@@ -63,15 +63,17 @@ If it's the only version of node installed, it will automatically be set to the
 
 #### Install `yarn`
 
-Take a look at the [latest Yarn release](https://github.com/yarnpkg/berry/releases/latest), note the version number, and run:
+OpenSearch Dashboards is set up using yarn, which can be installed through corepack. To install yarn, run:
 
 ```bash
+$ # Update corepack to the latest version
 $ npm i -g corepack
 
-$ corepack prepare yarn@<version> --activate
+$ # Install the correct version of yarn
+$ corepack install
 ```
 
-(See the [Yarn installation documentation](https://yarnpkg.com/getting-started/install) for more information.)
+(See the [corepack documentation](https://github.com/nodejs/corepack#-corepack) for more information.)
 
 ### Fork and clone OpenSearch Dashboards
 

package.json

@@ -23,6 +23,7 @@
   "bugs": {
     "url": "http://github.com/opensearch-project/OpenSearch-Dashboards/issues"
   },
+  "packageManager": "yarn@1.22.19",
   "opensearchDashboards": {
     "clean": {
       "extraPatterns": [