adding semconv dependency to packages that use it (#156)

semconv was previously a dependency of the API, but that was recently removed

Author: brettmc

composer.json

@@ -11,7 +11,8 @@
     "php": "^8.0",
     "laravel/framework": "*",
     "ext-opentelemetry": "*",
-    "open-telemetry/api": "^1"
+    "open-telemetry/api": "^1",
+    "open-telemetry/sem-conv": "^1"
   },
   "require-dev": {
     "laravel/sanctum": "*",