Add pinia as an optional peer dependency.

Author: onurtemizkan

packages/vue/package.json

@@ -45,7 +45,13 @@
     "@sentry/utils": "8.32.0"
   },
   "peerDependencies": {
-    "vue": "2.x || 3.x"
+    "vue": "2.x || 3.x",
+    "pinia": "2.x"
+  },
+  "peerDependenciesMeta": {
+    "pinia": {
+      "optional": true
+    }
   },
   "devDependencies": {
     "vue": "~3.2.41"