Revert "Remove inactive users from sig-docs-ru" (a mistaken commit to the main branch)

This reverts commit 4685869.

Author: shurup

OWNERS_ALIASES

@@ -210,9 +210,17 @@ aliases:
     - truongnh1992
   sig-docs-ru-owners: # Admins for Russian content
     - Arhell
+    - msheldyakov
+    - aisonaku
+    - potapy4
+    - dianaabv
     - shurup
   sig-docs-ru-reviews: # PR reviews for Russian content
     - Arhell
+    - msheldyakov
+    - aisonaku
+    - potapy4
+    - dianaabv
     - shurup
   sig-docs-pl-owners: # Admins for Polish content
     - mfilocha