[CI] Update list of reviewers (backport #386)

.github/reviewer-lottery.yml

@@ -3,33 +3,31 @@ groups:
   # Usually, at least on of the maintainers should approve PR before merging.
   # The best is if two maintainers do that.
   - name: maintainers # name of the group
-    reviewers: 2 # how many reviewers do you want to assign?
+    reviewers: 3 # how many reviewers do you want to assign?
     internal_reviewers: 1 # how many reviewers do you want to assign when the PR author belongs to this group?
     usernames: # github usernames of the reviewers
       - bmagyar
       - destogl
+      - christophfroehlich
 
   # Reviewers group to get broader feedback.
   - name: reviewers
     reviewers: 5
     usernames:
-      - rosterloh
-      - progtologist
+      - aprotyas
       - arne48
+      - bijoua29
       - DasRoteSkelett
-      - Serafadam
-      - harderthan
-      - jaron-l
-      - malapatiravi
-      - homalozoa
+      - duringhof
       - erickisos
-      - anfemosa
-      - VX792
-      - mhubii
+      - fmauch
+      - jaron-l
       - livanov93
-      - aprotyas
-      - peterdavidfagan
-      - duringhof
-      - bijoua29
-      - lm2292
       - mcbed
+      - moriarty
+      - olivier-stasse
+      - peterdavidfagan
+      - progtologist
+      - saikishor
+      - VanshGehlot
+      - VX792