Prepare for 0.9.1 release (#281)

Author: jtescher

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## [v0.9.1](https://github.com/open-telemetry/opentelemetry-rust/compare/v0.9.0...v0.9.1)
+
+## Added
+
+- Allow metric instruments to be cloned #280
+
+### Fixed
+
+- Fix single threaded runtime tokio feature bug #278
+
 ## [v0.9.0](https://github.com/open-telemetry/opentelemetry-rust/compare/v0.8.0...v0.9.0)
 
 ## Added

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "opentelemetry"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["OpenTelemetry Authors <[email protected]>"]
 description = "A metrics collection and distributed tracing framework"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust"

opentelemetry-prometheus/CHANGELOG.md

@@ -0,0 +1,13 @@
+# Changelog
+
+## [v0.2.0](https://github.com/open-telemetry/opentelemetry-rust)
+
+### Changed
+
+- Update to prometheus 0.10.x #279
+
+## [v0.1.0](https://github.com/open-telemetry/opentelemetry-rust)
+
+### Added
+
+- Initial prometheus exporter

opentelemetry-prometheus/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "opentelemetry-prometheus"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["OpenTelemetry Authors <[email protected]>"]
 description = "Prometheus exporter for OpenTelemetry"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust"

opentelemetry-zipkin/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.7.0
+
+### Changed
+
+- Update typed-builder to 0.7.x #279
+
 ## v0.6.0
 
 ### Added

opentelemetry-zipkin/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "opentelemetry-zipkin"
-version = "0.6.0"
+version = "0.7.0"
 authors = ["OpenTelemetry Authors <[email protected]>"]
 description = "Zipkin exporter for OpenTelemetry"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust/tree/master/opentelemetry-zipkin"