fix "SendContact" method and "SendSticker" file name

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/send/SendContact.kt

@@ -46,7 +46,7 @@ data class SendContact(
         replyMarkup
     )
 
-    override fun method(): String = "sendVenue"
+    override fun method(): String = "sendContact"
     override fun resultSerializer(): KSerializer<RawMessage> = RawMessage.serializer()
 }