chore: updates bouncy castle to 1.76 (latest 1.7x)

[mrdziuban]

Fixes

Updates bouncycastle to the latest version, 1.7.6, follow up to #741

Checklist

• [x] I acknowledge that all my contributions will be made under the project's license
• [x] I have made a material change to the repo (functionality, testing, spelling, grammar)
• [x] I have read the Contribution Guidelines and my PR follows them
• [x] I have titled the PR appropriately
• [x] I have updated my branch with the main branch
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added the necessary documentation about the functionality in the appropriate .md file
• [ ] I have added inline documentation to the code I modified

[lexek]

Hi @shrutiburman, when should we expect new release in maven repo?

[ghost]

Pinging @shrutiburman again, please create a new release to actually fix the CVE (fix is already merged into main)