Prepare upload of MariaDB 11.4.8 to Ubuntu 25.04 "Plucky"

Similar to MRs labeled new-upstream-version, this Merge Request contains the import of a new upstream version of MariaDB.

Do not review merge commits or upstream commits, but focus on the ones that are made only on the proposed ubuntu/25.04-plucky branch update in this MR:

git log --first-parent --reverse --format='format:* %C(yellow)%h%C(reset) %s' origin/ubuntu/25.04-plucky...

• ccc34c5a Update upstream source from tag 'upstream/11.4.8'
• 37b0cbc9 Update changelog and refresh patches after 11.4.8 import
• 61706438 MDEV-36815 Fresh MariaDB 11.4 installation gives errors when configuring utf8
• 2fb2318d Suppress native AIO warning introduced in upstream a87bb96e
• aa9abe91 Update server trace to include new parameters and values
• 46c1ce02 Remove obsolete cleanup as upstream moved pam_mariadb_mtr.so in c05b1fe2
• b9793e10 Add debian/source/local-options to suppress WolfSSL line ending errors
• 40118b9e Salsa CI: Revert back to pre-sbuild pipeline version to builds can pass
• e43857d1 Update changelog for 1:11.4.8-0ubuntu0.25.04.1 release

Changelog:

mariadb (1:11.4.8-0ubuntu0.25.04.1) plucky; urgency=medium

  [ Otto Kekäläinen ]
  * New upstream maintenance release 11.4.7. For details about fixes please see
    https://mariadb.com/kb/en/mariadb-11-4-8-release-notes/ (Closes: LP#2120204)
  * Drop Hurd patches that are now included upstream
  * Suppress native AIO warning introduced in upstream a87bb96
  * Update server trace to include new parameters and values
  * Remove obsolete cleanup as upstream moved pam_mariadb_mtr.so in c05b1fe
  * Add debian/source/local-options to suppress WolfSSL line ending errors
  * Salsa CI: Revert back to pre-sbuild pipeline version to builds can pass

  [ Sergei Golubchik ]
  * MDEV-36815 Fresh MariaDB 11.4 installation gives errors when configuring utf8

I have checked that this release does not resolve any other issues listed at https://bugs.launchpad.net/ubuntu/+source/mariadb

Test builds visible at https://launchpad.net/~mysql-ubuntu/+archive/ubuntu/mariadb/+builds?build_text=&build_state=all

When reviewing, note the parallel reviews in progress of the same batch of minor maintenance releases:

• !133 (merged): plucky (25.04): MariaDB 1:11.4.8
• !134 (merged): noble (24.04): MariaDB 1:10.11.14
• !135 (merged): jammy (22.04): MariaDB 1:10.6.23