fix(CI): linux-build: add -Werror parameter (#19240)

* fix(CI): linux-build: add -Werror parameter

* add KI

tzunu

* Revert "feat(CI): enable fail-fast for pch/nopch (#19058)"

This reverts commit 564cbca7d3.

* Update midsummer.cpp - drop unused variable

* initialize variable

* Update core-build-nopch.yml - drop gcc12

* fix(Core/CalendarMgr): do not use element after delete, but before

* attempt to fix Socket.h error

* Revert "attempt to fix Socket.h error"

This reverts commit c1a59145ed.

* fix Socket.h error - attempt 2

* Update Socket.h

* Update Socket.h

* npc_shattrath_daily_quest: init variable templateID

* fix(Scripts/Karazhan): use size_t within loop in boss_shade_of_aran:Reset()

* boss_archimonde: drop unused variable

* Revert "fix(Scripts/Karazhan): use size_t within loop in boss_shade_of_aran:Reset()"

This reverts commit 1f71aaef25.

* SmartScripts: SMART_TARGET_RANDOM_POINT: fix unintended fallthrough

* Revert "Revert "feat(CI): enable fail-fast for pch/nopch (#19058)""

This reverts commit d13df29362.

---------

Co-authored-by: Kitzunu <24550914+Kitzunu@users.noreply.github.com>

.github/workflows/core-build-nopch.yml

@@ -23,10 +23,6 @@ jobs:
             compiler:
               CC: clang-15
               CXX: clang++-15
-          - os: ubuntu-22.04
-            compiler:
-              CC: gcc-12
-              CXX: g++-12
           - os: ubuntu-24.04
             compiler:
               CC: clang-18