AG-42625 run pnpm install before docs build

Squashed commit of the following:

commit 4fa87db
Author: Slava Leleka <[email protected]>
Date:   Fri May 23 11:48:40 2025 -0400

    run pnpm install before docs build

Author: slvvko

bamboo-specs/deploy.yaml

@@ -41,6 +41,11 @@ npmjs: &npmjs
 
             npm publish scriptlets.tgz ${bamboo_publishArgs}
 
+            # Set cache directory
+            pnpm config set store-dir ${bamboo.cachePnpm}
+
+            pnpm install ${bamboo.varsPnpm}
+
             pnpm wiki
     - any-task:
         plugin-key: com.atlassian.bamboo.plugins.vcs:task.vcs.commit