Release prep (#1093)

* Update version.go and versions.yaml for 0.23.0 release

Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>

* Update CHANGELOG.md for 0.23.0 release

Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>

CHANGELOG.md

@@ -8,6 +8,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+## [0.23.0] - 2021-09-08
+
 ### Added
 
 - Add `WithoutSubSpans`, `WithRedactedHeaders`, `WithoutHeaders`, and `WithInsecureHeaders` options for `otelhttptrace.NewClientTrace`. (#879)
@@ -348,7 +350,8 @@ First official tagged release of `contrib` repository.
 - Prefix support for dogstatsd (#34)
 - Update Go Runtime package to use batch observer (#44)
 
-[Unreleased]: https://github.com/open-telemetry/opentelemetry-go-contrib/compare/v0.22.0...HEAD
+[Unreleased]: https://github.com/open-telemetry/opentelemetry-go-contrib/compare/v0.23.0...HEAD
+[0.23.0]: https://github.com/open-telemetry/opentelemetry-go-contrib/releases/tag/v0.23.0
 [0.22.0]: https://github.com/open-telemetry/opentelemetry-go-contrib/releases/tag/v0.22.0
 [0.21.0]: https://github.com/open-telemetry/opentelemetry-go-contrib/releases/tag/v0.21.0
 [0.20.0]: https://github.com/open-telemetry/opentelemetry-go-contrib/releases/tag/v0.20.0

version.go

@@ -18,7 +18,7 @@ package contrib // import "go.opentelemetry.io/contrib"
 
 // Version is the current release version of OpenTelemetry Contrib in use.
 func Version() string {
-	return "0.22.0"
+	return "0.23.0"
 	// This string is updated by the pre_release.sh script during release
 }
 

versions.yaml

@@ -14,7 +14,7 @@
 
 module-sets:
   stable-v1:
-    version: v0.22.0
+    version: v0.23.0
     modules:
       - go.opentelemetry.io/contrib
       - go.opentelemetry.io/contrib/tools
@@ -27,7 +27,7 @@ module-sets:
       - go.opentelemetry.io/contrib/detectors/aws/ecs
       - go.opentelemetry.io/contrib/detectors/aws/eks
   experimental-instrumentation:
-    version: v0.22.0
+    version: v0.23.0
     modules:
       - go.opentelemetry.io/contrib/propagators/opencensus
       - go.opentelemetry.io/contrib/propagators/opencensus/examples
@@ -77,7 +77,7 @@ module-sets:
       - go.opentelemetry.io/contrib/instrumentation/github.com/emicklei/go-restful/otelrestful/test
       - go.opentelemetry.io/contrib/zpages
   experimental-metrics:
-    version: v0.22.0
+    version: v0.23.0
     modules:
       - go.opentelemetry.io/contrib/exporters/metric/dogstatsd
       - go.opentelemetry.io/contrib/exporters/metric/cortex