f5cloudexporter: switch to gRPC endpoint

[gramidt]

Is your feature request related to a problem? Please describe.
The latest F5 OTLP endpoint uses gRPC. The exporter should only support gRPC for the immediate future.

Describe the solution you'd like
Since the exporter is considered beta, update the exporter to use gRPC instead of HTTP.

Describe alternatives you've considered

• Create a new F5 Cloud exporter that is gRPC; however, this would be invalid since the HTTP exporter would not be supported.

[gramidt]

@tigrannajaryan @bogdandrutu - Could either of you assign this to me please?

[github-actions]

This issue has been inactive for 60 days. It will be closed in 60 days if there is no activity. To ping code owners by adding a component label, see Adding Labels via Comments, or if you are unsure of which component this issue relates to, please ping @open-telemetry/collector-contrib-triagers. If this issue is still relevant, please ping the code owners or leave a comment explaining why it is still relevant. Otherwise, please close it.

Pinging code owners:

• exporter/f5cloud: @gramidt

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[github-actions]

This issue has been closed as inactive because it has been stale for 120 days with no activity.