[model/semconv] Add definitions for semantic conventions v1.9.0 (#5090)

CHANGELOG.md

@@ -60,6 +60,7 @@
 
 ### 💡 Enhancements 💡
 
+- Add semconv definitions for v1.9.0 (#5090)
 - Change outcome of `pdata.Metric.<Gauge|Sum|Histogram|ExponentialHistogram>()` functions misuse.
   In case of type mismatch, they don't panic right away but return an invalid zero-initialized
   instance for consistency with other OneOf field accessors (#5034)

model/semconv/v1.9.0/nonstandard.go

@@ -0,0 +1,22 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/collector/model/semconv/v1.9.0"
+
+const (
+	OtelLibraryName       = "otel.library.name"
+	OtelLibraryVersion    = "otel.library.version"
+	OtelStatusCode        = "otel.status_code"
+	OtelStatusDescription = "otel.status_description"
+)