[3.13] gh-135995: Fix missing char in palmos encoding (GH-135990) (#136002)

gh-135995: Fix missing char in palmos encoding (GH-135990)

0x8b correctly encodes to ‹, but 0x9b was mistakenly marked as a control character instead of ›.
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(cherry picked from commit 58a42dea97f4fa0df38ef4a95a2ede65e0549f71)

Co-authored-by: Nathan Korth <nkorth@users.noreply.github.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>