Add core as peerdep to image optimizer (#9070)

Author: mischnic

packages/optimizers/image/package.json

@@ -37,6 +37,9 @@
     "@parcel/utils": "2.9.1",
     "@parcel/workers": "2.9.1"
   },
+  "peerDependencies": {
+    "@parcel/core": "^2.9.1"
+  },
   "devDependencies": {
     "@napi-rs/cli": "^2.15.2",
     "tiny-benchy": "^1.0.2"