fix: migrate from jest to node test and c8 (#1182)

* fix: migrate from jest to node test and c8

* fix: move tests into root/test/ directory

* fix: update workflow to v5

* fix: update workflow to v5.0.0

* pr feedback

* fix: lint errors

* update package-lock

Signed-off-by: Matteo Collina <hello@matteocollina.com>

---------

Signed-off-by: Matteo Collina <hello@matteocollina.com>
Co-authored-by: Matteo Collina <hello@matteocollina.com>

.eslintignore

@@ -1 +1,2 @@
 dist
+coverage

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ on:
 
 jobs:
   test:
-    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v3
+    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v5.0.0
     with:
       license-check: true
       lint: true