[9.20] fix: usr: Provide more visibility into configuration errors
by logging SSL_CTX_use_certificate_chain_file and SSL_CTX_use_PrivateKey_file errors individually.
Closes #5008 (closed)
Backport of MR !9683 (merged)
by logging SSL_CTX_use_certificate_chain_file and SSL_CTX_use_PrivateKey_file errors individually.
Closes #5008 (closed)
Backport of MR !9683 (merged)