Mark the opus version check as broken.

CMakeLists.txt

@@ -157,6 +157,7 @@ macro(yuzu_find_packages)
         #"libzip            1.5         libzip/1.5.2@bincrafters/stable"
         "lz4               1.8         lz4/1.9.2"
         "nlohmann_json     3.7         nlohmann_json/3.7.3"
+    # we need to be careful as the version check might be broken https://github.com/xiph/opus/issues/110
         "opus              1.3         opus/1.3.1"
         "ZLIB              1.2         zlib/1.2.11"
         "zstd              1.4         zstd/1.4.4"