Update Prettier defaults to enforce single quotes and 100 character line width

[suhasrk]

PR Checklist

Please check to confirm your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular-cli/blob/main/CONTRIBUTING.md#-commit-message-guidelines
• 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
• Other... Please describe:

What is the current behavior?

Currently, the prettier block in package.json does not fully align with Angular’s recommended defaults as defined in .editorconfig.
This can lead to inconsistent formatting across projects, as common preferences like "singleQuote": true and "printWidth": 100 are not enforced in Prettier, even though .editorconfig specifies similar rules.

Issue Number: #30744

What is the new behavior?

The prettier block in package.json has been updated to include Angular’s recommended defaults (singleQuote: true, printWidth: 100), ensuring consistency between .editorconfig and Prettier formatting across all projects.

Does this PR introduce a breaking change?

• Yes
• No

Other information

This change avoids manual intervention in minimal projects while preserving the intended HTML formatting benefits for standard projects.

[suhasrk]

Hi maintainers, this PR is ready for review. Could you please assign reviewers?
@comewalk @abraham @zed-0xff @jesperronn

[hybrist]

@suhasrk Can you reword the commit message to follow the commit message format? This is necessary for automatic changelog generation and semver tracking purposes.

[hybrist]

You can see an example commit messasge in the previous change to the file: 4221a33

[suhasrk]

@suhasrk Can you reword the commit message to follow the commit message format? This is necessary for automatic changelog generation and semver tracking purposes.

Sure. I will do and notify here once checks are passed

[suhasrk]

@jkrems Can you please review now?
Thanks.

[hybrist]

Thanks for making this happen! 🎉

[suhasrk]

@jkrems
Can you please Squash and merge this PR?

[hybrist]

Created a squash & rebase here: #30884

(We use automated tooling that assumes the commits can land as-is and I don't have access to modify branches from PRs.)

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