v0.13.117: v0.13.117

@newsroom.writer: new article, "CI owns the version": the release scheme from OSBot-Utils in 2023, now on sharness.ai, the PHP newsroom's six repositories and this site; the technical debt that showed why, how it runs here with a pending version, majors to main, and the portable job. Two figures, summaries and a graph.

@newsroom.dev: ChatGPT's session key (sha256:dec7fa758ecb9eb1) is pinned as the reviewer key of its review vault, so the security agent clears what it signs; its vault key was sealed to that key.