chore (ci): migrate ci to fastify plugins reusable workflows

[darkgl0w]

Hello.

This PR aims to :

• add some npm scripts (improves DX and CI task splitting)
• run CI linter only once
• migrate to fastify plugins reusable workflow
• remove coveralls and check coverage with tap (enforcing 100% code coverage)

Checklist

• run npm run test and npm run benchmark
• tests and/or benchmarks are included
• documentation is changed or added
• commit message and code follows the Developer's Certification of Origin
  and the Code of conduct

[mcollina]

lgtm

[coveralls]

Pull Request Test Coverage Report for Build 1736512411

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 1722904549:	0.0%
Covered Lines:	636
Relevant Lines:	636

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💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 1736512411

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 1722904549:	0.0%
Covered Lines:	636
Relevant Lines:	636

---

💛 - Coveralls

[Eomm]

Could we migrate this repo to the new centalized worfflow?

It would be cool to:

• add the "1 lint runs" on the main flow https://github.com/fastify/workflows/
• reference the flow here (example: chore: testing new reusable workflow fastify-autoload#216 )

[darkgl0w]

@Eomm > sure I will take a look to do so.

I will create a linter "standalone" workflow so that we should be able to use it like this :

name: ci

on:
  push:
    paths-ignore:
      - 'docs/**'
      - '*.md'
  pull_request:
    paths-ignore:
      - 'docs/**'
      - '*.md'

jobs:
  linter:
    uses: fastify/workflows/.github/workflows/linter-ci.yml@v2

  test:
    needs: linter
    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v2

[darkgl0w]

On hold.
I will wait for reviews and suggestions on fastify/workflows#10 to see how this PR should progress.