docs: add angular#bundler to Enforcing Trusted Types section

[tomeustace]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/master/CONTRIBUTING.md#commit
• 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
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• angular.io application / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

[gkalpak]

Thx, @tomeustace 👍

Can you please update the commit message to include Fixes #44647 at the bottom (per out commit message guidelines).

[tomeustace]

Thanks @gkalpak I've ammended the commit message.

[josephperrott]

LGTM

Reviewed-for: fw-security

[alxhub]

Reviewed-for: fw-security

A non-blocking request: please add additional context to the commit message, detailing why we're adding this new entry to the list.

[jessicajaniuk]

@tomeustace If you can rebase this and resolve the conflicts, we can get this landed.

[tomeustace]

@jessicajaniuk @alxhub thanks, have performed rebase and updated commit message.

[josephperrott]

LGTM

reviewed-for: fw-security

[jelbourn]

LGTM

Reviewed-for: fw-security

[jessicajaniuk]

This PR was merged into the repository by commit adb21a2.

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