Trac #33116: Update pillow to 9.0.1

Apparently for this upgrade we need to increase the minimum freetype
version to 2.8 (= 20.0.14 according to #30014)

https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#freetype
-2-7

URL: https://trac.sagemath.org/33116
Reported by: mkoeppe
Ticket author(s): Dima Pasechnik
Reviewer(s): Matthias Koeppe

build/pkgs/freetype/spkg-configure.m4

@@ -1,7 +1,7 @@
 SAGE_SPKG_CONFIGURE([freetype], [
     SAGE_SPKG_DEPCHECK([gcc libpng], [
       dnl freetype versions are libtool's ones, cf trac #30014
-      PKG_CHECK_MODULES([FREETYPE], [freetype2 >= 16.1], [], [sage_spkg_install_freetype=yes])
+      PKG_CHECK_MODULES([FREETYPE], [freetype2 >= 20.0], [], [sage_spkg_install_freetype=yes])
     ])
 ], [], [], [
     if test x$sage_spkg_install_freetype = xyes; then

build/pkgs/pillow/checksums.ini

@@ -1,5 +1,5 @@
 tarball=Pillow-VERSION.tar.gz
-sha1=ca8d057aec64ccd0804044bc71c17921afbe2e4e
-md5=7a1eb5a250c7ccbd549a89e16404f09f
-cksum=555919456
+sha1=64243cccc992e4ab60641045775fba65c1cf032b
+md5=8deffccb4f402df154fd2fd504d8487c
+cksum=2485281093
 upstream_url=https://pypi.io/packages/source/p/pillow/Pillow-VERSION.tar.gz

build/pkgs/pillow/package-version.txt

@@ -1 +1 @@
-8.4.0
+9.0.1