build: update release-it config

[abmusse]

• set the header so that releases are listed after it.

• set the preset to angular

see:

• https://github.com/release-it/conventional-changelog/issues/76#issuecomment-1758038769
• https://github.com/release-it/conventional-changelog#header
• https://github.com/release-it/conventional-changelog#preset

Follow the angular convention and don't add build, ci, doc, etc commits to the changelog