Update dolphin-emu.spec for 5.0

Installer/dolphin-emu.spec

@@ -18,7 +18,7 @@
 
 Name:       dolphin-emu
 Summary:    Dolphin Emulator
-Version:    4.0
+Version:    5.0
 Release:    0%{?dist}
 Group:      System/Emulators/Other
 License:    GPL-2.0
@@ -26,7 +26,7 @@ URL:        https://dolphin-emu.org/
 BuildArch:  x86_64 armv7l aarch64
 
 # For this spec file to work, the Dolphin Emulator sources must be located
-# in a directory named dolphin-emu-4.0 (with "4.0" being the version
+# in a directory named dolphin-emu-5.0 (with "5.0" being the version
 # number defined above).
 # If the sources are compressed in another format than .tar.xz, change the
 # file extension accordingly.