Merge branch '3.12' into fix-syscheck-integritydb

Bump revision to 31108

Bump revision to 31107

Bump revision to 31106

Update ruleset version

Bump revision to 31012

Revert "Update ruleset version"

This reverts commit 1424a90.

Remove calls to select() in SCA and Syscollector decoders.

- This prevents an overflow when using fds greater than 1024.
- select() call is useless here as the flow continues whether there is timeout or not.

Update changelog

Bump revision 3936