Describe the bug
SIGABRT occurs when OSSL_PROVIDER_unload is invoked during OpenSSL deinitialization in POCO if OpenSSL3 is used as static libraries.
This issue appeared in POCO 1.12.1.
SIGSEGV in POCO 1.12.0 (fixed).
All is ok with POCO version 1.11.3

To Reproduce
Just using HTTPSClientSession + static OpenSSL3

Expected behavior
No SIGABRT.

Screenshots

Please add relevant environment information:

• Linux x86_64 Ubuntu 22.04
• POCO Version 1.12.1
• OPENSSL 3.0.5 no-shared no-module