chore: update example priority

Author: walidelnozahy

examples.json

@@ -1119,7 +1119,7 @@
     "description": "This example shows a Serverless boilerplate in Rust.",
     "githubUrl": "https://github.com/serverless/examples/tree/master/aws-rust-simple-http-endpoint",
     "framework": "v1+",
-    "language": "",
+    "language": "rust",
     "platform": "aws",
     "authorLink": "https://github.com/jonee",
     "authorName": "Jonee Ryan Ty",
@@ -1383,7 +1383,7 @@
     "description": "This example shows a Serverless boilerplate in Rust.",
     "githubUrl": "https://github.com/serverless/examples/tree/master/openwhisk-rust-simple-http-endpoint",
     "framework": "v1+",
-    "language": "",
+    "language": "rust",
     "platform": "openwhisk",
     "authorLink": "https://github.com/jonee",
     "authorName": "Jonee Ryan Ty",