chore(tracing): deprecate Span.finished setter and Span.finish_with_ancestors()

[brettlangdon]

Description

A few more Span attributes/methods to deprecate in 4.0.

Testing

Risks

Additional Notes

[github-actions]

CODEOWNERS have been resolved as:

releasenotes/notes/deprecate-span-finished-finish-with-ancestors-c75633a9baaa9463.yaml  @DataDog/apm-python
ddtrace/_trace/span.py                                                  @DataDog/apm-sdk-capabilities-python
ddtrace/contrib/internal/aws_lambda/patch.py                            @DataDog/apm-serverless

[Yun-Kim]

Small typo in release note but lgtm

[Yun-Kim]

Suggested change

	tracing: ``Span.finished_with_ancestors()`` is deprecated with no alternative.
	tracing: ``Span.finish_with_ancestors()`` is deprecated with no alternative.

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 237 ± 2 ms.

The average import time from base is: 239 ± 2 ms.

The import time difference between this PR and base is: -1.86 ± 0.09 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.969 ms (0.83%)

ddtrace.bootstrap.sitecustomize 1.260 ms (0.53%)

ddtrace.bootstrap.preload 1.260 ms (0.53%)

ddtrace.internal.remoteconfig.client 0.610 ms (0.26%)

ddtrace 0.709 ms (0.30%)

ddtrace.internal._unpatched 0.060 ms (0.03%)

subprocess 0.031 ms (0.01%)

contextlib 0.031 ms (0.01%)

json 0.029 ms (0.01%)

json.decoder 0.029 ms (0.01%)

re 0.029 ms (0.01%)

enum 0.029 ms (0.01%)

types 0.029 ms (0.01%)