Add semconv/v1.23.1 (#4749)

* Add semconv/v1.23.1

* Update changelog

---------

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

semconv/v1.23.1/doc.go

@@ -0,0 +1,20 @@
+// 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 implements OpenTelemetry semantic conventions.
+//
+// OpenTelemetry semantic conventions are agreed standardized naming
+// patterns for OpenTelemetry things. This package represents the v1.23.1
+// version of the OpenTelemetry semantic conventions.
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.23.1"