Add new maintainers (#4651)

* Add new maintainers

Signed-off-by: Marco Pracucci <marco@pracucci.com>

* Apply suggestions from code review

Co-authored-by: Wilfried ROSET <wilfriedroset@users.noreply.github.com>
Co-authored-by: Maxime Le Conte des Floris <mlcdf@users.noreply.github.com>

---------

Signed-off-by: Marco Pracucci <marco@pracucci.com>
Co-authored-by: Wilfried ROSET <wilfriedroset@users.noreply.github.com>
Co-authored-by: Maxime Le Conte des Floris <mlcdf@users.noreply.github.com>

CODEOWNERS

@@ -4,5 +4,10 @@
 # Documentation.
 /docs/ @grafana/docs-metrics @grafana/mimir-maintainers
 
+# Alertmanager and ruler.
 /pkg/alertmanager/ @grafana/mimir-ruler-and-alertmanager-maintainers @grafana/mimir-maintainers
 /pkg/ruler/ @grafana/mimir-ruler-and-alertmanager-maintainers @grafana/mimir-maintainers
+
+# Packages.
+/Makefile @wilfriedroset @vaxvms @bubu11e @grafana/mimir-maintainers
+/packaging/ @wilfriedroset @vaxvms @bubu11e @grafana/mimir-maintainers

MAINTAINERS.md

@@ -12,6 +12,7 @@ The following are the main/default maintainers:
 - Peter Štibraný — [@pstibrany](https://github.com/pstibrany) ([Grafana Labs](https://grafana.com/))
 - Tyler Reid — [@treid314](https://github.com/treid314) ([Grafana Labs](https://grafana.com/))
 - Patrick Oyarzun — [@Logiraptor](https://github.com/Logiraptor) ([Grafana Labs](https://grafana.com/))
+- Charles Korn — [@charleskorn](https://github.com/charleskorn) ([Grafana Labs](https://grafana.com/))
 
 Some parts of the codebase have other maintainers, the package paths also include all sub-packages:
 
@@ -26,3 +27,7 @@ Some parts of the codebase have other maintainers, the package paths also includ
 - `pkg/ruler`:
   - Josh Abreu Mesa — [@gotjosh](https://github.com/gotjosh) ([Grafana Labs](https://grafana.com/))
   - Steve Simpson - [@stevesg](https://github.com/stevesg) ([Grafana Labs](https://grafana.com/))
+- `packaging`:
+  - Wilfried ROSET - [@wilfriedroset](https://github.com/wilfriedroset) ([OVHcloud](https://www.ovhcloud.com/))
+  - Nicolas DUPEUX - [@vaxvms](https://github.com/vaxvms) ([OVHcloud](https://www.ovhcloud.com/))
+  - Julien GIRARD - [@bubu11e](https://github.com/bubu11e) ([OVHcloud](https://www.ovhcloud.com/))