[d3-zoom/d3-drag] Update to version 1.2/1.1, respectively

[tomwanzek]

• [Feature] Add support of clickDistance(...)
• [Chore] Bump version number.

Closes #16468 .

@gustavderdrache Another quick one for good measure... 😄

Please fill in this template.

• Use a meaningful title for the pull request. Include the name of the package modified.
• Test the change in your own code. (Compile and run.)
• Follow the advice from the readme.
• Avoid common mistakes.
• Run npm run lint package-name (or tsc if no tslint.json is present).

Select one of these and delete the others:

If changing an existing definition:

• Provide a URL to documentation or source code which provides context for the suggested changes: <https://github.com/d3/d3-zoom/releases>
• Increase the version number in the header if appropriate.
• If you are making substantial changes, consider adding a tslint.json containing { "extends": "dslint/dt.json" }.

[dt-bot]

types/d3-zoom/index.d.ts

to authors (@tomwanzek @gustavderdrache @borisyankov). Could you review this PR?
👍 or 👎?

Checklist

• pass the Travis CI test?

[gustavderdrache]

You weren't kidding about it being a quick review!

[tomwanzek]

I have just added on d3-drag on this PR. It's the exact same change with minor version bump.

[tomwanzek]

@gustavderdrache Thanks for the swift turnaround! T

[tomwanzek]

@andy-ms If you have a second, could you kindly merge this PR. As always, thanks in advance!!! T

[tomwanzek]

@andy-ms Somehow, the merge has not triggered a publish to npm/@types for d3-zoom and d3-drag. Thx in advance for looking into it when you have a sec.