Update KLayout DependencyInstaller version

0.27.10 appears to be dropped from upstream. Bump to latest

Signed-off-by: Austin Rovinski <[email protected]>

Author: rovinski

etc/DependencyInstaller.sh

@@ -10,7 +10,7 @@ else
 fi
 
 # package versions
-klayoutVersion=0.27.10
+klayoutVersion=0.28.8
 
 _installORDependencies() {
     ./tools/OpenROAD/etc/DependencyInstaller.sh ${OR_INSTALLER_ARGS}