Remove workaround once https://github.com/helm/chart-releaser/pull/587 is released

[aldbr]

GitHub's immutable releases feature breaks the standard chart-releaser.
Once helm/chart-releaser#587 is released, remove workaround for helm/chart-releaser-action#228.

diracx-charts/.github/workflows/release.yml

Lines 26 to 29 in 00ab242

	# Workaround for https://github.com/helm/chart-releaser-action/issues/228
	# GitHub's immutable releases feature breaks the standard chart-releaser.
	# This builds a patched version that creates releases as drafts first.
	# TODO: Remove once https://github.com/helm/chart-releaser/pull/587 is released