Upgrade Harfbuzz to 8.2.2

Fix regression from 8.2.0 in parsing CSS-style feature strings.
(https://lists.freedesktop.org/archives/libreoffice/2023-September/091026.html)
(https://github.com/harfbuzz/harfbuzz/issues/4414)

Change-Id: Ifdaeb7b2a9a5da2866810e4d5298f57a0fd9bd9f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/157434
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com>
diff --git a/download.lst b/download.lst
index b85d4bd..b94c3c7 100644
--- a/download.lst
+++ b/download.lst
@@ -287,8 +287,8 @@ GRAPHITE_TARBALL := graphite2-minimal-1.3.14.tgz
# three static lines
# so that git cherry-pick
# will not run into conflicts
HARFBUZZ_SHA256SUM := 1f98b5e3d06a344fe667d7e8210094ced458791499839bddde98c167ce6a7c79
HARFBUZZ_TARBALL := harfbuzz-8.0.0.tar.xz
HARFBUZZ_SHA256SUM := e433ad85fbdf57f680be29479b3f964577379aaf319f557eb76569f0ecbc90f3
HARFBUZZ_TARBALL := harfbuzz-8.2.2.tar.xz
# three static lines
# so that git cherry-pick
# will not run into conflicts