[openssl/openssl] 66f61e: Add more fixes for WebAssembly/WASI build

[Marcin Kolny]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 66f61ece724a54253da36f70274bc320faf9f4e2
      https://github.com/openssl/openssl/commit/66f61ece724a54253da36f70274bc320faf9f4e2
  Author: Marcin Kolny <marcin.kolny at gmail.com>
  Date:   2023-07-12 (Wed, 12 Jul 2023)

  Changed paths:
    M crypto/asn1/a_time.c
    M crypto/uid.c

  Log Message:
  -----------
  Add more fixes for WebAssembly/WASI build

* force use timegm - WASI does not have timezone tables
* use basic implementation for `OPENSSL_issetugid()` - WASI doesn't support forking processes

CLA: trivial

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21389)