Postfixadmin 4.0.3

(This is near identical to the 4.0.2 release, but as that didn't build on github - I deleted it, fixed the token formatting and static analysis issues and created a new version/release)

Thank you to everyone for your various contributions 😄

• improve password recovery if TOTP is active (see [#1032], thanks @drunken-sod)
• improve install.sh ( see [#965], thanks @TigerP)
• improve docs ( PHP version requirement consistency )
• Include domain in link to create new alias (backport for 4.0, see [#977], thanks @csware)
• Check for address validity before checking domain existence (backport 4.0) (see [#975], thanks @csware)
• Remove redundant charset in MySQL connection (see [#970], thanks @csware)
• Improve error handling if vendor/autoloaderphp doesn't exist
• Add build against PHP 8.5
• admin global search - restrict to domains the admin type has access to (see [#947], thanks @lukasdebaum)
• update composer.json (move mysql/sqlite3 extensions to suggest block, see [#942], thanks @rimvisit)
• update install.sh to be less bash-y (see [#940], thanks @kuzmos)
• update github actions (remove deprecation warning [#983], thanks @csware)