Update README.md

[hanifshahy]

With this link get 5 more point on https://pub.dev/packages/web/score

• Thanks for your contribution! Please replace this text with a description of what this PR is changing or adding and why, list any relevant issues, and review the contribution guidelines below.

---

• I’ve reviewed the contributor guide and applied the relevant portions to this PR.

Contribution guidelines:

• See our contributor guide for general expectations for PRs.
• Larger or significant changes should be discussed in an issue before creating a PR.
• Contributions to our repos should follow the Dart style guide and use dart format.
• Most changes should add an entry to the changelog and may need to rev the pubspec package version.
• Changes to packages require corresponding tests.

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[google-cla]

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[srujzs]

I think we prefer to keep the go-link here if the destination for the URL ever changes. @kevmoo, is that correct?

[kevmoo]

Fixed it! Thank you!

[kevmoo]

Good catch. We can use https on the redirect! 🙏