lang/php81: Update version 8.1.1=>8.1.2

- Remove references to defunct php72
- Change to CONFLICTS_INSTALL for regex pattern to avoid changing while
  updating/adding major versions. [1]

- Core:
    * Fixed bug #81216 (Nullsafe operator leaks dynamic property name).
    * Fixed bug #81684 (Using null coalesce assignment with
      $GLOBALS["x"] produces opcode error).
    * Fixed bug #81656 (GCC-11 silently ignores -R).
    * Fixed bug #81683 (Misleading "access type ... must be public"
      error message on final or abstract interface methods).
    * Fixed bug #81585 (cached_chunks are not counted to real_size on
      shutdown).
    * Fixed bug #7757 (Multi-inherited final constant causes fatal
      error).
    * Fixed zend_fibers.c build with ZEND_FIBER_UCONTEXT.
    * Added riscv64 support for fibers.
- Filter:
    * Fixed FILTER_FLAG_NO_RES_RANGE flag.
- Hash:
    * Fixed bug #7759 (Incorrect return types for hash() and
      hash_hmac()).
    * Fixed bug #7826 (Inconsistent argument name in hash_hmac_file and
      hash_file).
- MBString:
    * Fixed bug #81693 (mb_check_encoding(7bit) segfaults).
- MySQLi:
    * Fixed bug #81658 (MYSQL_OPT_LOAD_DATA_LOCAL_DIR not available in
      MariaDB).
    * Introduced MYSQLI_IS_MARIADB.
    * Fixed bug #7746 (mysqli_sql_exception->getSqlState()).
- MySQLnd:
    * Fixed bug where large bigints may be truncated.
- OCI8:
    * Fixed bug #7765 (php_oci_cleanup_global_handles segfaults at
      second call).
- OPcache:
    * Fixed bug #81679 (Tracing JIT crashes on reattaching).
- Readline:
    * Fixed bug #81598 (Cannot input unicode characters in PHP 8
      interactive shell).
- Reflection:
    * Fixed bug #81681 (ReflectionEnum throwing exceptions).
- PDO_PGSQL:
    * Fixed error message allocation of PDO PgSQL.
- Sockets:
    * Avoid void* arithmetic in sockets/multicast.c on NetBSD.
    * Fixed ext/sockets build on Haiku.
- Spl:
    * Fixed bug #75917 (SplFileObject::seek broken with CSV flags).
    * Fixed bug #7809 (Cloning a faked SplFileInfo object may segfault).
- Standard:
    * Fixed bug #7748 (gethostbyaddr outputs binary string).
    * Fixed bug #7815 (php_uname doesn't recognise latest Windows
      versions).

Reported by:    se [1]
Differential Revision:	https://reviews.freebsd.org/D33983