Changes in squid-7.6 (08 Jun 2026):
- HTTP/1.1: Transfer-Encoding:identity is prohibited
- Harden peerDigestSwapInMask against invalid cache digest reply
- Fix parsing of legacy url_rewrite_program responses
- Fix handling of truncated legacy errorpage %codes
- Do not treat tiny virgin response buffer space specially
- Honor reply_header_max_size for received FTP control responses
- Improve parsing of certain FTP directory listing formats
- Support Nettle 4.0 md5_digest API
- Reject excessively large FTP control replies
- .. and some cleanups