* add HTTP support for OTLP metrics exporter
* add to changelog
* fix unit test not covered before
* add otlpmetrichttp module to .github/dependabot.yml
* add test file for client.go
* run make commit to clean repository
* fix err occurs in TestCancelledContext
* fix err in TestCancelledContext which is nil
* fix err in TestCancelledContext which is nil, occurs occasionally
* fix unittest err in TestCancelledContext which occurs occasionally
* fix ineffectual assignment to err when running lint
* Update CHANGELOG.md
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
* Update exporters/otlp/otlpmetric/otlpmetrichttp/doc.go
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
* Update exporters/otlp/otlpmetric/otlpmetrichttp/doc.go
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
* del options that not used in http exporter metrics
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
