ftp/curl: Update to 7.88.1

ChangeLog: https://curl.se/changes.html#7_88_1
PR: 269967
Approved by: maintainer timeout
MFH: 2023Q1
Security: be233fc6-bae7-11ed-a4fb-080027f5fec9

(cherry picked from commit 90ac2baf0f47d4ab631ddeb3f88c23590de64423)