Fix autonym for Armenian

The autonym for Armenian should not be capitalized,
as language names are not proper nouns in that language.

Bug: T202611

data/langdb.yaml

@@ -229,7 +229,7 @@ languages:
   ht: [Latn, [AM], Kreyòl ayisyen]
   hu-formal: [Latn, [EU], Magyar (magázó)]
   hu: [Latn, [EU], magyar]
-  hy: [Armn, [EU, ME], Հայերեն]
+  hy: [Armn, [EU, ME], հայերեն]
   hyw: [Armn, [EU, ME], արեւմտահայերէն]
   hz: [Latn, [AF], Otsiherero]
   ia: [Latn, [WW], interlingua]

language-data.json

@@ -1461,7 +1461,7 @@
                 "EU",
                 "ME"
             ],
-            "Հայերեն"
+            "հայերեն"
         ],
         "hyw": [
             "Armn",