Add Rust to the telemetry.sdk.language resource convention (#3448)

semantic_conventions/resource/telemetry.yaml

@@ -40,10 +40,12 @@ groups:
               value: "python"
             - id: ruby
               value: "ruby"
-            - id: webjs
-              value: "webjs"
+            - id: rust
+              value: "rust"
             - id: swift
               value: "swift"
+            - id: webjs
+              value: "webjs"
         requirement_level: required
         brief: >
           The language of the telemetry SDK.

specification/resource/semantic_conventions/README.md

@@ -149,8 +149,9 @@ All custom identifiers SHOULD be stable across different versions of an implemen
 | `php` | php |
 | `python` | python |
 | `ruby` | ruby |
-| `webjs` | webjs |
+| `rust` | rust |
 | `swift` | swift |
+| `webjs` | webjs |
 <!-- endsemconv -->
 
 ## Telemetry SDK (Experimental)