Some changes in branch 3.2.

There was parsing issue in HTTP Age header which looked on the first glance security relevant. Closer look revealed it's just a type confusion. But it's still recommended to update. Also this release includes a FAQ. More important details below.

What's Changed

• Add README DeepWiki Link by @HarrisonTCodes
• Modify grading for incomplete chain. by @secinto
• Add sectigo CA E46 and R46 for Linux.pem by @drwetter
• Improve error message for sockets fail and Alpine by @drwetter
• Make code2network() faster by using bash instead of tr by @drwetter
• Fix not working --disable-rating switch by @drwetter
• feat: bump ssllabs rating guide to 2009r by @magnuslarsen
• For Mac: use homebrew's openssl when necessary+needed by @drwetter
• Fix displayed message when IPv6 needs to be tested too by @drwetter
• FAQ for 3.2 by @drwetter in https://github.com/testssl/testssl.sh/pull/2881
• Fix garbled screen when HTTP Age is not a non-negative int (branch 3.2) by @drwetter
• Fix indentation @ Intermediate cert validity (3.2) by @drwetter
• Lucky13: improve phrasing for 3.2 by @drwetter