Add v2.0.8 into Issue Template (#8092)

Author: mrengineer7777

.github/ISSUE_TEMPLATE/Issue-report.yml

@@ -41,6 +41,7 @@ body:
       options:
         - latest master (checkout manually)
         - latest development Release Candidate (RC-X)
+        - v2.0.8
         - v2.0.7
         - v2.0.6
         - v2.0.5