fix: updated dependencies issue#1836

[sarthakNITT]

issue #1836
Description

• Updated rimraf, unzipper, mocha, and @stoplight/spectral-cli to their latest versions to fix direct deprecation warnings.
• Migrated test coverage from nyc (which relied on deprecated glob/rimraf) to c8.

Note -
Remaining deprecation warnings during install are transitive dependencies from @asyncapi/generator and @asyncapi/modelina-cli. These packages need to be updated in their respective repositories to fully resolve the warnings.

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Latest commit: 76a6a25

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sarthakNITT]

@Shurtu-gal Review this pr once. To resolve the remaining warnings for the packages listed in the issue, we need to update dependencies in:

@asyncapi/generator: Fixes readdir-scoped-modules, read-package-json, debuglog, npmlog, are-we-there-yet, gauge, @npmcli/move-file, mkdirp, and @asyncapi/generator-hooks.
@asyncapi/modelina-cli: Fixes @oclif/errors.

[Shurtu-gal]

@sarthakNITT there is another PR already in place for the same issue. Was there any reason a new PR had to be opened instead of suggesting changes in the original one or just collaborating there?

[sarthakNITT]

@Shurtu-gal Sorry for the confusion. I reviewed the existing PR, but it included multiple changes beyond what I was planning to address for this issue. To keep the scope focused and make the review easier, I decided to open a clean PR with only the relevant changes. Now I have added required suggestion in the existing pr.