gegl: Update version from 0.4.16 to 0.4.18

Required by GIMP 2.10.14.

Also, update the suffix, and adapt the commands for Meson.

gegl.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION gegl-0.4.16-0
+# BEE_VERSION gegl-0.4.18-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)
@@ -9,7 +9,7 @@
 ## The source URL(s) define the location of the sources that will be
 ## downloaded. Version variables may be used to simplify reuse of this bee-file.
 
-SRCURL[0]="https://download.gimp.org/pub/gegl/${PKGVERSION[2]}/gegl-${PKGVERSION}.tar.bz2"
+SRCURL[0]="https://download.gimp.org/pub/gegl/${PKGVERSION[2]}/gegl-${PKGVERSION}.tar.xz"
 
 ###############################################################################
 ## Add URLs/pathes to patch files to the PATCHURL array.
@@ -45,8 +45,9 @@ SRCURL[0]="https://download.gimp.org/pub/gegl/${PKGVERSION[2]}/gegl-${PKGVERSION
 #}
 
 mee_configure() {
-    bee_configure --disable-docs \
-    		  --without-vala
+    bee_configure \
+        -Ddocs=false \
+        -Dvapigen=disabled
 }
 
 #mee_build() {