shankar0123 b21c02a3d5 docs: archive version-specific upgrade guides ...

upgrade-to-tls.md and upgrade-to-v2-jwt-removal.md are version-specific
runbooks for past releases. Late upgraders still need them; current
operators don't. Move both to docs/archive/upgrades/ with one-line
archive headers pointing readers at the current canonical docs.

Renames:
  docs/upgrade-to-tls.md           → docs/archive/upgrades/to-tls-v2.2.md
  docs/upgrade-to-v2-jwt-removal.md → docs/archive/upgrades/to-v2-jwt-removal.md

Each gets a top-of-doc archive notice with the date and a forward
pointer to the relevant steady-state doc:
  to-tls-v2.2.md            → docs/operator/tls.md
  to-v2-jwt-removal.md      → docs/operator/security.md

The relative link inside to-v2-jwt-removal.md (was "upgrade-to-tls.md",
now "to-tls-v2.2.md") updated to point at its archived sibling.

Cross-reference updates from other docs and README still pending in
Phase 11.

2026-05-05 02:50:14 +00:00

..

upgrades

docs: archive version-specific upgrade guides

2026-05-05 02:50:14 +00:00