Broken links in README

[letmerecall]

What's the issue?

There're 2 broken links in the README.md which are not resolving to correct resources:

1. contributor guide: https://sigs.k8s.io/hydrophone/blob/main/CONTRIBUTING.md
2. filing an issue: https://sigs.k8s.io/hydrophone/issues/new

[letmerecall]

/good-first-issue

[k8s-ci-robot]

@letmerecall:
This request has been marked as suitable for new contributors.

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[UtkarshUmre]

Hey @letmerecall could you assign this to me?

[letmerecall]

Feel free to take it @UtkarshUmre

/assign @UtkarshUmre

[UtkarshUmre]

Hey @letmerecall where can I find the new link for filing an issue?