rdp: Update to newer FreeRDP release

Update to a newer FreeRDP release so we can start cleaning up
some of our usage of things that will be deprecated in the next
major release.

For this, I've simply picked the newest version currently in
our CI images.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>

libweston/backend-rdp/meson.build

@@ -4,19 +4,19 @@ endif
 
 config_h.set('BUILD_RDP_COMPOSITOR', '1')
 
-dep_frdp = dependency('freerdp2', version: '>= 2.2.0', required: false)
+dep_frdp = dependency('freerdp2', version: '>= 2.3.0', required: false)
 if not dep_frdp.found()
-	error('RDP-backend requires freerdp >= 2.2.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
+	error('RDP-backend requires freerdp >= 2.3.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
 endif
 
-dep_frdp_server = dependency('freerdp-server2', version: '>= 2.2.0', required: false)
+dep_frdp_server = dependency('freerdp-server2', version: '>= 2.3.0', required: false)
 if not dep_frdp_server.found()
-	error('RDP-backend requires freerdp-server2 >= 2.2.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
+	error('RDP-backend requires freerdp-server2 >= 2.3.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
 endif
 
-dep_wpr = dependency('winpr2', version: '>= 2.2.0', required: false)
+dep_wpr = dependency('winpr2', version: '>= 2.3.0', required: false)
 if not dep_wpr.found()
-	error('RDP-backend requires winpr >= 2.2.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
+	error('RDP-backend requires winpr >= 2.3.0 which was not found. Or, you can use \'-Dbackend-rdp=false\'.')
 endif
 
 deps_rdp = [