group semconv (#837)

Author: breedx-splk

.github/renovate.json5

@@ -46,6 +46,13 @@
       "ignoreUnstable": false,
       "groupName": "otel-core"
     },
+    {
+      // Group updates from otel java semconv
+      "matchPackageNames": [
+        "io.opentelemetry.semconv:**"
+      ],
+      "groupName": "otel-semconv-java"
+    },
     {
       // navigation-fragment 2.7.0 and above require android api 34+, which we are not ready for
       // yet due to android gradle plugin only supporting min 33.