DEVOPS-1112: Use Dependabot for pre-commit auto-update

[RomFloreani]

DEVOPS-1112 - use dependabot for pre-commit autoupdate
Automated update of .github/dependabot.yml

[Copilot]

Pull request overview

Adds Dependabot support for keeping pre-commit hook revisions up to date, while also adjusting the existing pre-commit.ci autoupdate settings.

Changes:

• Add a new Dependabot update entry for the pre-commit ecosystem (weekly, grouped updates).
• Change pre-commit.ci autoupdate target branch to main and reduce its frequency to quarterly.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
.pre-commit-config.yaml	Updates pre-commit.ci autoupdate branch and cadence.
.github/dependabot.yml	Adds pre-commit ecosystem updates (weekly) with grouping/cooldown configuration.

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[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

Suppressed comments (2)

.pre-commit-config.yaml:8

• With Dependabot now configured to update the pre-commit ecosystem weekly, leaving pre-commit.ci autoupdates enabled is likely to create duplicate/competing PRs that touch the same rev: pins in .pre-commit-config.yaml (and can cause merge conflicts or churn). If the intent is to move autoupdates to Dependabot, consider disabling pre-commit.ci autoupdates here.

ci:
    autoupdate_branch: main
    autoupdate_schedule: quarterly

.github/dependabot.yml:30

• The commented dependency-name example for pre-commit ignores uses an invalid URL (https://github.com/pre-commit/#mirrors-mypy). If someone later uncomments this, Dependabot won’t match the dependency, and the ignore won’t work.

    #ignore:
    #  - dependency-name: "https://github.com/pre-commit/#mirrors-mypy"
    groups: