feat: Report provider name and version to LaunchDarkly

[kinyoklion]

The provider now identifies itself as the wrapper, so requests it makes are attributed to the OpenFeature provider rather than to the Python SDK.

• Sets wrapper_name to open-feature-python-server and wrapper_version to the provider version
• Uses Config.with_wrapper_information, released in launchdarkly-server-sdk 9.17.0
• Raises the SDK floor to >=9.17.0
• Adds ld_openfeature/version.py, kept current by release-please

Requirements

• I have added test coverage for new or changed functionality
• I have followed the repository's pull request submission guidelines
• I have validated my changes against all supported platform versions

Implementation details

Describe the solution you've provided

self.__client = LDClient(config.with_wrapper_information(WRAPPER_NAME, VERSION))

This matches the Java and .NET providers, which derive a config from the application-supplied one:

new LDClient(sdkKey, LDConfig.Builder.fromConfig(config)
    .wrapper(Components.wrapperInfo()
        .wrapperName("open-feature-java-server")
        .wrapperVersion(Version.SDK_VERSION)).build());

The provider version comes from a new ld_openfeature/version.py, added to extra-files in release-please-config.json so the constant is bumped with each release the same way docs/conf.py already is.

Describe alternatives you've considered

An earlier revision of this PR copied the Config and assigned its name-mangled private wrapper fields, because wrapper information could only be supplied to the constructor. That depends on SDK internals, hence the SDK change instead (python-server-sdk#501).

Testing

test_provider_identifies_itself_as_the_wrapper asserts the client's config carries the provider's name and version, and that the config passed in by the caller is unchanged. Against the released 9.17.0: 80 tests pass, mypy clean.

Link to Devin session: https://app.devin.ai/sessions/0c452d209ec54b068ba120b4c92b8f6c
Open in Devin Desktop: https://app.devin.ai/desktop/session/0c452d209ec54b068ba120b4c92b8f6c?variant=devin
Requested by: @kinyoklion

---

Note

Overview
LaunchDarkly traffic from this provider is now attributed to the OpenFeature integration instead of looking like plain Python SDK usage.

LaunchDarklyProvider builds the underlying LDClient from config.with_wrapper_information("open-feature-python-server", VERSION) so wrapper name and version are set on the client config without mutating the caller’s Config. The version lives in new ld_openfeature/version.py, wired into release-please alongside docs/conf.py.

The minimum launchdarkly-server-sdk dependency is raised to >=9.17.0 for with_wrapper_information. A test asserts the client carries the expected wrapper fields and that the original config’s wrapper_name stays unset.

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[kinyoklion]

Devin, update this PR to use the just released python version.

[devin-ai-integration]

Rebased onto main and pinned to the released SDK: launchdarkly-server-sdk >=9.17.0, which contains Config.with_wrapper_information. Tests pass against the published release (80 passed, mypy clean) and the "blocked until released" caveat is gone from the description.