racket: update to 9.0.

Author: thypon

srcpkgs/racket/template

@@ -1,6 +1,6 @@
 # Template file for 'racket'
 pkgname=racket
-version=8.18
+version=9.0
 revision=1
 archs="aarch64* armv6* armv7* i686* x86_64*"
 build_wrksrc=src
@@ -16,7 +16,7 @@ maintainer="Andrea Brancaleoni <[email protected]>"
 license="LGPL-3.0-only, MIT"
 homepage="http://racket-lang.org/"
 distfiles="http://mirror.racket-lang.org/installers/${version}/${pkgname}-${version}-src.tgz"
-checksum=65477c71ec1a978a6ee4db582b9b47b1a488029d7a42e358906de154a6e5905c
+checksum=a05f54103789477da8e6facabb777049477c4c3998c5865c0d7ce285d3577411
 nostrip=yes
 patch_args="-Np2"