Release 1.4.0 (Part 1/2) release commit

- Update version.py files
- Marked releases in changelogs

Author: aabmass

opentelemetry-exporter-gcp-monitoring/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Version 1.4.0a0
+
+Released 2022-12-05
+
 - Set gRPC user-agent when calling google APIs
   ([#216](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/pull/216))
 - Implement OTel resource to monitored resource mapping

opentelemetry-exporter-gcp-monitoring/src/opentelemetry/exporter/cloud_monitoring/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.4.0.dev0"
+__version__ = "1.4.0a0"

opentelemetry-exporter-gcp-trace/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Version 1.4.0
+
+Released 2022-12-05
+
 - Set gRPC user-agent when calling google APIs
   ([#216](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/pull/216))
 - Drop support for Python 3.6, add 3.10

opentelemetry-exporter-gcp-trace/src/opentelemetry/exporter/cloud_trace/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.4.0.dev0"
+__version__ = "1.4.0"

opentelemetry-propagator-gcp/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Version 1.4.0
+
+Released 2022-12-05
+
 - Drop support for Python 3.6, add 3.10
   ([#203](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/pull/203))
 - Create a Readonly Propagator to match the golang "One Way" propagator

opentelemetry-propagator-gcp/src/opentelemetry/propagators/cloud_trace_propagator/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.4.0.dev0"
+__version__ = "1.4.0"

opentelemetry-resourcedetector-gcp/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Version 1.4.0a0
+
+Released 2022-12-05
+
 - Drop support for Python 3.6, add 3.10
   ([#203](https://github.com/GoogleCloudPlatform/opentelemetry-operations-python/pull/203))
 - Update no container name behaviour

opentelemetry-resourcedetector-gcp/src/opentelemetry/resourcedetector/gcp_resource_detector/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "1.4.0.dev0"
+__version__ = "1.4.0a0"