Mongo version 5.0 & 6.0 release

Author: AvijitkGupta

articles/cosmos-db/mongodb/TOC.yml

@@ -16,6 +16,10 @@
           href: ru/introduction.md
         - name: API versions
           items:
+            - name: API version 6.0
+              href: feature-support-60.md
+            - name: API version 5.0
+              href: feature-support-50.md
             - name: API version 4.2
               href: feature-support-42.md
             - name: API version 4.0