ci: automate release creation

[tbouffard]

Introduce a workflow that create the GitHub release and publish it along with the Git tag.

### Tasks
- [x] Add explanations in the README
- [x] Add a GitHub workflow to create the GH release that is currently created manually
- [x] In the maxGraph repository, create a doc PR to remove the update of the examples repo from the maxGraph release process https://github.com/maxGraph/maxGraph/pull/302

[tbouffard]

✔️ Test of the workflow

• run https://github.com/maxGraph/maxgraph-integration-examples/actions/runs/7470564008/job/20329466606

Run ncipollo/release-action@v1
  with:
    body: Relates to [maxGraph 0.6.0](https://github.com/maxGraph/maxGraph/releases/tag/v0.6.0).
  
    generateReleaseNotes: true
    name: 0.6.0
    tag: v0.6.0
    makeLatest: legacy
    omitBody: false
    omitBodyDuringUpdate: false
    omitDraftDuringUpdate: false
    omitName: false
    omitNameDuringUpdate: false
    omitPrereleaseDuringUpdate: false
    removeArtifacts: false
    replacesArtifacts: true
    skipIfReleaseExists: false
    token: ***
    updateOnlyUnreleased: false
  env:
    VERSION: 0.6.0
    TAG: v0.6.0

• creates https://github.com/maxGraph/maxgraph-integration-examples/releases/tag/v0.6.0