telemetry: add "abap" language in CodewhispererLanguage #1028

Author: Will-ShaoHua

telemetry/definitions/commonDefinitions.json

@@ -681,6 +681,7 @@
             "type": "string",
             "description": "Programming language of the CodeWhisperer recommendation",
             "allowedValues": [
+                "abap",
                 "c",
                 "cpp",
                 "csharp",