chore: Disable sccache for windows builds, b=no-bug, c=configs

Author: mr-cheffy

configs/windows/mozconfig

@@ -22,6 +22,10 @@ if test "$ZEN_CROSS_COMPILING"; then
   fi
 fi
 
+# We wrongly detect ccache on windows, which leads to build failures.
+# This line should be removed once the detection is fixed.
+ac_add_options --without-ccache
+
 ac_add_options --disable-maintenance-service
 ac_add_options --disable-bits-download