Fix whitespace generation in s3 secret

[lukasredev]

If you run the chart install with:
helm upgrade --create-namespace --namespace openproject --install openproject openproject/openproject --dry-run -f values.yaml

and you have defined s3 in your values.yaml:

s3:
  enabled: true
  endpoint: "minio.local"
  auth:
    existingSecret: "minio-credentials"
    secretKeys:
      accessKeyId: "accessKeyId"
      secretAccessKey: "secretAccessKey"

it fails with the following error:
Helm upgrade failed: YAML parse error on openproject/templates/secret_s3.yaml: error converting YAML to JSON: yaml: line 15: mapping values are not allowed in this context

this is due to a whitespace formatting error in secret_s3.yaml which this pull request fixes.

[changeset-bot]

🦋 Changeset detected

Latest commit: b0254db

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@openproject/helm-charts	Patch

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[oliverguenther]

Thank you, I'll release this momentarily 👍