update to cmem-plugin-template v9.5.0

[seebi]

Updates this repository to cmem-plugin-template v9.6.1 via copier update, and refreshes the locked dependencies that come with it.

⚠️ There is already an open request touching the template here: #3 (tmp/tryOutPluginBaseRC1). This one supersedes it or should be closed in its favour — please do not merge both.

task check passes locally except integration tests, which need a live Corporate Memory instance (or Docker/service credentials) that was not available where this ran. CI should have it.

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Updated to v9.6.1. This request was originally raised against v9.5.0; a second commit moves it to cmem-plugin-template v9.6.1, which restores the [tool.pytest.ini_options] table. Without it pytest's rootdir walk escapes the project directory, so pytest-dotenv stops finding .env and the Corporate Memory integration tests run unconfigured.

[seebi]

Reviewer chosen automatically as part of the template-update sweep.

The main author of this plugin is Sebastian Tramp (48% of the commits touching cmem_plugin_*/ on the default branch), but they could not be assigned:

• Sebastian Tramp (48%) — opened this request and cannot review it.

So review falls to the next-highest contributor who can be assigned here: Saipraneeth Muddana (40% of those commits).

[seebi]

Taking this one as maintainer. I am the main author of this plugin (48% of the commits touching cmem_plugin_*/ on the default branch), so I will review and merge it myself.

GitHub does not allow requesting a review from the author of a pull request, so this is recorded as an assignment instead of a review request. The automatically chosen reviewer (@msaipraneeth) has been removed from this pull request, since review falls to me.