Marked Micrometer 1.16.1 upgrade task as completed in archived roadmaps and session logs. Verified compatibility for Java 25 and updated notes to reflect no changes required in `libs.versions.toml`.
Signed-off-by: Stefan Mogeritsch <stefan.mo.co@gmail.com>
Documented the completed Keycloak hardening steps, including PKCE S256 support, CORS security improvements, strengthened password policy, and logout redirect URI configurations. Verified and updated the `meldestelle-realm.json` and roadmap to reflect these changes.
Signed-off-by: Stefan Mogeritsch <stefan.mo.co@gmail.com>