Update whisper.cpp to 1.7.6

packages/w/whisper.cpp/xmake.lua

@@ -6,6 +6,7 @@ package("whisper.cpp")
     set_urls("https://github.com/ggerganov/whisper.cpp/archive/refs/tags/v$(version).tar.gz",
              "https://github.com/ggerganov/whisper.cpp.git")
 
+    add_versions("1.7.6", "166140e9a6d8a36f787a2bd77f8f44dd64874f12dd8359ff7c1f4f9acb86202e")
     add_versions("1.6.2", "da7988072022acc3cfa61b370b3c51baad017f1900c3dc4e68cb276499f66894")
     add_versions("1.6.0", "2729a83662edf909dad66115a3b616c27011cbe4c05335656034954c91ba0c92")
     add_versions("1.5.5", "27fa5c472657af2a6cee63de349a34b23d0f3781fa9b8ef301a940cf64964a79")