fix: Remove warning on cozy-flags missing dependency

yarn lint gave many cozy-flags missing dependency warnings
Added it as peer dependency

Author: doubleface

packages/cozy-sharing/package.json

@@ -71,6 +71,7 @@
   "peerDependencies": {
     "cozy-client": ">=60.22.0",
     "cozy-device-helper": ">=3.7.1",
+    "cozy-flags": ">=4.8.1",
     "cozy-intent": ">=2.29.1",
     "cozy-minilog": ">=3.9.1",
     "cozy-ui": ">=135.0.0",

yarn.lock

@@ -18450,6 +18450,7 @@ __metadata:
   peerDependencies:
     cozy-client: ">=60.22.0"
     cozy-device-helper: ">=3.7.1"
+    cozy-flags: ">=4.8.1"
     cozy-intent: ">=2.29.1"
     cozy-minilog: ">=3.9.1"
     cozy-ui: ">=135.0.0"