chore(deps): bump yup

plugins/proxy-backend/package.json

@@ -31,7 +31,7 @@
     "winston": "^3.2.1",
     "yaml": "^1.9.2",
     "yn": "^4.0.0",
-    "yup": "^0.29.1"
+    "yup": "^0.29.3"
   },
   "devDependencies": {
     "@backstage/cli": "^0.1.1-alpha.25",
@@ -39,7 +39,7 @@
     "@types/node-fetch": "^2.5.7",
     "@types/supertest": "^2.0.8",
     "@types/uuid": "^8.0.0",
-    "@types/yup": "^0.28.2",
+    "@types/yup": "^0.29.8",
     "jest-fetch-mock": "^3.0.3",
     "supertest": "^4.0.2"
   },