chore: rename certificate fingerprint for code signing

[tiwarishubham635]

Fixes

Renaming certificate fingerprint since SHA1 is considered insecure in nuget 7 and above. see here: https://learn.microsoft.com/en-gb/nuget/reference/cli-reference/cli-ref-sign#:~:text=Starting%20with%20NuGet,512)%20are%20supported.

Checklist

• I acknowledge that all my contributions will be made under the project's license
• I have made a material change to the repo (functionality, testing, spelling, grammar)
• I have read the Contribution Guidelines and my PR follows them
• I have titled the PR appropriately
• 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

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[sonarqubecloud]

Quality Gate failed

Failed conditions
1 Security Hotspot

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