MAINTAINERS: Add rugeGerritsen to BT host and ISO as collaborator

Add Rubin Gerritsen as collaborator to the BT host and BT ISO.
He has been very active in these areas.
See for more info:
zephyrproject-rtos/zephyr#80233

List the host collaborators in alphabetical order while at it.

(cherry picked from commit b9ab52f)

Original-Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
GitOrigin-RevId: b9ab52f
Cr-Build-Id: 8732659221460854369
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8732659221460854369
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I74bcb2e575de01c8015dcc45f8f5b4c714aca48d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5978561
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>

MAINTAINERS.yml

@@ -359,8 +359,9 @@ Bluetooth Host:
     - alwa-nordic
   collaborators:
     - hermabe
-    - Thalley
+    - rugeGerritsen
     - sjanc
+    - Thalley
     - theob-pro
   files:
     - doc/connectivity/bluetooth/
@@ -506,6 +507,7 @@ Bluetooth ISO:
   collaborators:
     - jhedberg
     - kruithofa
+    - rugeGerritsen
   files:
     - include/zephyr/bluetooth/iso.h
     - doc/connectivity/bluetooth/api/shell/iso.rst