out_opentelemetry: upload log as object instead of json string

[Syn3rman]

Signed-off-by: Aditya Prajapati [email protected]

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Testing
Before we can approve your change; please submit the following in a comment:

• Example configuration file for the change

[INPUT]
	Name dummy
	Tag dummy.log
	Rate 1
	Dummy {"key": ["val1", 1, 2.3], "key2": "val2"}

[OUTPUT]
	name stdout
	match *

[OUTPUT]
	name opentelemetry
	match *
	host 0.0.0.0
	port 3434
	logs_uri /v1/logs
	metrics_uri /v1/metrics
	traces_uri /v1/traces

• Debug log output from testing the change

https://pastebin.com/8DCBcjzN

• Attached Valgrind output that shows no leaks or memory corruption was found
  https://pastebin.com/uJ1ZyK5C

If this is a change to packaging of containers or native binaries then please confirm it works for all targets.

• Attached local packaging test output showing all targets (including any new ones) build.

Documentation

• Documentation required for this feature

Backporting

• Backport to latest stable release.

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Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

[edsiper]

commits merged in #6354