chore(deps): bump yup

packages/config-loader/package.json

@@ -33,13 +33,13 @@
     "@backstage/config": "^0.1.1-alpha.25",
     "fs-extra": "^9.0.0",
     "yaml": "^1.9.2",
-    "yup": "^0.29.1"
+    "yup": "^0.29.3"
   },
   "devDependencies": {
     "@types/jest": "^26.0.7",
     "@types/mock-fs": "^4.10.0",
     "@types/node": "^12.0.0",
-    "@types/yup": "^0.28.2",
+    "@types/yup": "^0.29.8",
     "mock-fs": "^4.13.0"
   },
   "files": [

packages/config-loader/src/lib/secrets.ts

@@ -58,7 +58,7 @@ const secretLoaderSchemas = {
 };
 
 // The top-level secret schema, which figures out what type of secret it is.
-const secretSchema = yup.lazy<object>(value => {
+const secretSchema = yup.lazy<object | undefined>(value => {
   if (typeof value !== 'object' || value === null) {
     return yup.object().required().label('secret');
   }