Yet more unsupported locales for Kerb tests (#112555) (#116525)

Adds more locales, in addition to
#109670 (see the original
PR for context).

Closes: #112533 Closes:
#112534
(cherry picked from commit a2df7e7)

Co-authored-by: Nikolaj Volgushev <[email protected]>

Author: gwbrown

x-pack/qa/evil-tests/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java

@@ -86,7 +86,8 @@ public abstract class KerberosTestCase extends ESTestCase {
         "sd",
         "mni",
         "sat",
-        "sa"
+        "sa",
+        "bgc"
     );
 
     @BeforeClass