dotkeeper v1.2.10

What's Changed

• release: checksum native Alpine packages by @julian-corbet in #114
• chore(alpine): shape APKBUILD for upstream aports submission by @julian-corbet in #94
• docs: add llms.txt and AGENTS.md for AI/agent discoverability by @julian-corbet in #97
• release: attest artifacts and container images by @julian-corbet in #115
• release: prepare v1.2.10 by @julian-corbet in #116

Full Changelog: v1.2.9...v1.2.10