Update and add missing function signatures

[icanhazstring]

https://www.php.net/manual/en/function.imagecreatefromavif.php https://www.php.net/manual/en/function.imagecreatefromtga.php https://www.php.net/manual/en/function.odbc-procedurecolumns.php https://www.php.net/manual/en/function.odbc-procedures.php https://www.php.net/manual/en/function.openssl-cipher-key-length.php https://www.php.net/manual/en/function.pg-lo-import.php https://www.php.net/manual/en/function.sodium-crypto-aead-aegis128l-decrypt.php https://www.php.net/manual/en/function.sodium-crypto-aead-aegis256-decrypt.php https://www.php.net/manual/en/function.ssh2-forward-accept.php https://www.php.net/manual/en/function.ssh2-forward-listen.php