chore: bump versioned browsers for rules_webtesting to 0.3.3

[CooperBills]

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature (please, look at the "Scope of the project" section in the README.md file)
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Other... Please describe:

What is the current behavior?

No valid headless browsers or drivers are defined for M1 Mac hosts (Darwin arm64) in browsers-0.3.2.bzl, and tests fail.

Issue Number: #3085

What is the new behavior?

browsers-0.3.3.bzl defines browsers and drivers for M1 Mac hosts, and tests progress.

Does this PR introduce a breaking change?

• Yes
• No

Other information

This does bump the versions of headless browsers being used, so there is possibility for regressions.

[alexeagle]

I guess there's also some dependency on having a new-enough rules_webtesting release installed, but since this is green that must mean we already had it.

Thanks!

[CooperBills]

Yep! rules_webtesting was bumped about 2 months ago which included these files, they just needed to be bumped: #2956