chore(repo): downgrade pnpm to 10.34.3 and pin renovate off 10.34.4 (#180)

Roll the packageManager field back from pnpm 10.34.4 to 10.34.3, and add
an allowedVersions constraint to the renovate pnpm rule so it skips
10.34.4 while staying open to later releases.

Assisted-by: Claude Opus 4.8 via Claude Code

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: designcode

package.json

@@ -4,7 +4,7 @@
   "description": "Tigris monorepo for storage SDK",
   "private": true,
   "type": "module",
-  "packageManager": "pnpm@10.34.4",
+  "packageManager": "pnpm@10.34.3",
   "scripts": {
     "build": "pnpm -r --if-present run build",
     "dev": "pnpm -r --if-present run dev",

renovate.json

@@ -87,9 +87,10 @@
       "groupName": "github-actions"
     },
     {
-      "description": "Group pnpm bumps (packageManager field + workflows)",
+      "description": "Group pnpm bumps (packageManager field + workflows); skip 10.34.4, which we rolled back from",
       "matchPackageNames": ["pnpm"],
-      "groupName": "pnpm"
+      "groupName": "pnpm",
+      "allowedVersions": "<10.34.4 || >10.34.4"
     }
   ]
 }