chore(renovate): improve schedules & automerging to reduce noise

[sheerlox]

Description

• Automerge dev dependencies & GitHub actions (except majors).
• Set dev dependencies & GitHub actions schedule: on the 10th and 25th day of month
• Preserve prod dependencies schedule: at any time
• Use chore(action) commit type & scope instead of ci(action) for GitHub actions

Related Issue

N/A

Motivation and Context

Too much superfluous notifications.

This is a reproduction of one of many improvements I've made to my shared configs, see here for the full list.

How Has This Been Tested?

N/A

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• If my change introduces a breaking change, I have added a ! after the type/scope in the title (see the Conventional Commits standard).

[intcreator]

hey, look at us using cron syntax to manage the cron repo!

[sheerlox]

hey, look at us using cron syntax to manage the cron repo!

Ahahahah 😆