[openssl/openssl] 9b4015: Add /test/timing_load_creds to gitignore

[Todd Short]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 9b4015eccca93d401f9a7ee2d88244872983dcc6
      https://github.com/openssl/openssl/commit/9b4015eccca93d401f9a7ee2d88244872983dcc6
  Author: Todd Short <todd.short at me.com>
  Date:   2023-02-10 (Fri, 10 Feb 2023)

  Changed paths:
    M .gitignore

  Log Message:
  -----------
  Add  /test/timing_load_creds to gitignore

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20245)