Update CODEOWNERS in LTS

Signed-off-by: Julien Pivotto <291750+roidelapluie@users.noreply.github.com>

.github/CODEOWNERS

@@ -1,10 +1,32 @@
-/web/ui @juliusv
-/web/ui/module @juliusv @nexucis
-/storage/remote @cstyan @bwplotka @tomwilkie
-/storage/remote/otlptranslator @aknuds1 @jesusvazquez
-/discovery/kubernetes @brancz
-/tsdb @jesusvazquez
-/promql @roidelapluie
-/cmd/promtool @dgl
-/documentation/prometheus-mixin @metalmatze
+#
+# Please keep this file in sync with the MAINTAINERS.md file!
+#
 
+# Prometheus team members are members of the "default maintainers" github team.
+# They are code owners by default for the whole repo.
+* @prometheus/default-maintainers
+
+# Subsystems.
+/Makefile                       @prometheus/default-maintainers @simonpasquier @SuperQ
+/cmd/promtool                   @prometheus/default-maintainers @dgl
+/documentation/prometheus-mixin @prometheus/default-maintainers @metalmatze
+/model/histogram                @prometheus/default-maintainers @beorn7 @krajorama
+/web/ui                         @prometheus/default-maintainers @juliusv
+/web/ui/module                  @prometheus/default-maintainers @juliusv @nexucis
+/promql                         @prometheus/default-maintainers @roidelapluie
+/storage/remote                 @prometheus/default-maintainers @cstyan @bwplotka @tomwilkie @alexgreenbank
+/storage/remote/otlptranslator  @prometheus/default-maintainers @aknuds1 @jesusvazquez @ArthurSens
+/tsdb                           @prometheus/default-maintainers @jesusvazquez @codesome @bwplotka @krajorama
+
+# Service discovery.
+/discovery/kubernetes           @prometheus/default-maintainers @brancz @rexagod
+/discovery/stackit              @prometheus/default-maintainers @jkroepke
+/discovery/aws/                 @prometheus/default-maintainers @matt-gp @sysadmind
+/discovery/consul               @prometheus/default-maintainers @mrvarmazyar
+/discovery/hetzner              @prometheus/default-maintainers @jooola @apricote
+/discovery/scaleway             @prometheus/default-maintainers @remyleone
+# Pending
+# https://github.com/prometheus/prometheus/pull/15212#issuecomment-3575225179
+# /discovery/aliyun               @prometheus/default-maintainers @KeyOfSpectator
+# https://github.com/prometheus/prometheus/pull/14108#issuecomment-2639515421
+# /discovery/nomad                @prometheus/default-maintainers @jaloren @jrasell