caches: fixed wrong except

caches: use the same lock instance, otherwise we won't release it. Also handle AlreadyAquired so locks skip that case and not throw a 500 error

caches: introduce invalidation as a safer ways to expire keys, deleting them are more problematic.

views: skip vcsdetection for ops view

caches: optimized defaults for safer more reliable behaviour

cache: allow controlling lock_auto_renewal via .ini config

release: Bump version 4.25.2 to 4.26.0

comments-history: fixed fetching of history for comments

pull-requests: fix potential crash on providing a wrong order-by type column.

errors: use safe_str before escape to prevent crash on escape of bad chars