[node-red] upgrade to 3.0.2

[heiderich]

Description of the change

Upgrade node-red to 3.0.2

Benefits

latest version of node-red

Possible drawbacks

possible incompatibilities of existing flows when upgrading from an older version

Applicable issues

Additional information

Checklist

• [x] Title of the PR starts with chart name (e.g. [home-assistant])
• [x] Chart version bumped in Chart.yaml according to semver.
• [x] Chart artifacthub.io/changes changelog annotation has been updated in Chart.yaml. See Artifact Hub documentation for more info.
• [ ] Variables have been documented in the values.yaml file. (not applicable)