ci: speed-up craft based builds (#12261)

Author: DeepDiver1975

.craft.ini

@@ -61,6 +61,9 @@ CodeSigning/MacKeychainPath = sign-${Env:DRONE_BUILD_NUMBER}.keychain
 dev-utils/msys-base.ignored = True
 dev-utils/msys.ignored = True
 
+# in the current cache that pulls in the uncached lxml which takes ages to build
+dev-utils/gtk-doc.ignored = True
+
 binary/mysql.ignored = True
 libs/dbus.ignored = True
 libs/icu.ignored = True