Update docs for v0.3.1 release (NVIDIA#695)

* move public types out of api_private.rst

* bump version

* add release note

* fix typo

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Co-authored-by: Leo Fang <[email protected]>

Bump `cuda.core` to v0.3.0 (NVIDIA#703)

* bump cuda.core to v0.3.0

* update date

Rebase to CTK 12.9

Patch 11.8.7

Merge pull request NVIDIA#523 from vzhurba01/release-core

Set release date

Merge pull request NVIDIA#498 from rwgk/fix_test_timing_flakiness

Increase tolerance in `test_timing()` to avoid flaky tests.

Merge pull request NVIDIA#366 from vzhurba01/12-next-docs

Doc updates for 12.8

Merge pull request NVIDIA#417 from leofang/bump_ver_11

Bump version to 11.8.6

`cuda.core` v0.1.1 final doc touch (NVIDIA#301)

* minor changes to the release note

* add missing entries

* Update 0.1.1-notes.md

* update

* address comments

* mention Python/OS support matrix

Merge pull request NVIDIA#292 from leofang/fix_view

Fix `StridedMemoryView` by deferring the check for whether a capsule is versioned