chore: Bump to NodeJS 22.18.0 and removed unnecessary dependencies

[jhfgloria]

Description

Bump version of NodeJS to 22.18.0, keep plugins updated with most recent version of backstage, removed deprecated and not needed dependencies.

Issue number: #17

Affected plugin

• backstage-plugin
• backstage-plugin-backend
• backstage-plugin-scaffolder-actions
• backstage-plugin-entity-processor

Type of change

• New feature (non-breaking change which adds functionality)
• Fix (non-breaking change which fixes an issue)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have performed a self-review of this change
• Changes have been tested
• Changes have been tested in dark theme
• Changes are documented
• Changes generate no new warnings
• PR title follows conventional commit semantics

If this is a breaking change 👇

• I have documented the migration process
• I have implemented necessary warnings (if it can live side by side)

Acknowledgement

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Disclaimer: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.

[atlantisgov]

Plan Error

GET https://api.github.com/repos/PagerDuty/backstage-plugins/pulls/113/files?per_page=300: 502  []