Potential fix for code scanning alert no. 1842: Artifact poisoning (#27220)

* Potential fix for code scanning alert no. 1842: Artifact poisoning

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

* Pin Yarn version to 1.22.18 to fix artifact poisoning alert

Agent-Logs-Url: https://github.com/open-metadata/OpenMetadata/sessions/29aebdb5-eef0-4a2a-be01-489deef48d2b

Co-authored-by: chirag-madlani <12962843+chirag-madlani@users.noreply.github.com>

* Fix artifact poisoning in update-playwright-e2e-docs.yml: replace npm install -g yarn with pinned corepack

Agent-Logs-Url: https://github.com/open-metadata/OpenMetadata/sessions/550fba5a-bb13-45da-a144-b67599c9eaa4

Co-authored-by: chirag-madlani <12962843+chirag-madlani@users.noreply.github.com>

* Remove corepack prepare to eliminate artifact poisoning: use only corepack enable (bundled yarn)

Agent-Logs-Url: https://github.com/open-metadata/OpenMetadata/sessions/90f6ed8d-3f2b-4c3d-9a34-cd1f57c4d89c

Co-authored-by: chirag-madlani <12962843+chirag-madlani@users.noreply.github.com>

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Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

Author: 3 people

.github/actions/setup-openmetadata-test-environment/action.yml

@@ -53,7 +53,7 @@ runs:
 
     - name: Install yarn
       if: ${{ inputs.install-server == 'true' }}
-      run: npm install -g yarn
+      run: corepack enable
       shell: bash
     # ------------------------------------------------------------------------------
 

.github/workflows/update-playwright-e2e-docs.yml

@@ -40,7 +40,7 @@ jobs:
           cache-dependency-path: openmetadata-ui/src/main/resources/ui/yarn.lock
 
       - name: Install Yarn
-        run: npm install -g yarn
+        run: corepack enable
 
       - name: Install Dependencies
         working-directory: openmetadata-ui/src/main/resources/ui