FIPS Compliance: OpenSSL compliance

[y82]

Proposed changes

For https://docs.nginx.com/nginx/fips-compliance-nginx-plus/ :

• Added subsection about OpenSSL compliance with FIPS 140-2 and 140-3
• Removed note about OpenSSL 1x as it's old and FIPS cert expired
• Added Revision history

Checklist

Before sharing this pull request, I completed the following checklist:

• I read the Contributing guidelines
• My branch adheres to the Git conventions
• My content changes adhere to the F5 NGINX Documentation style guide
• If my changes involve potentially sensitive information¹, I have assessed the possible impact
• I have waited to ensure my changes pass tests, and addressed any discovered issues

Footnotes

1. Potentially sensitive information includes personally identify information (PII), authentication credentials, and live URLs. Refer to the style guide for guidance about placeholder content. ↩