update base builder object to reference ownerAddress

[hughescoin]

What changed? Why?
Only reference ownerAddress instead of allowedAddresses as it is the preferred method for adding app owner in Base Build

Notes to reviewers

How has it been tested?

[cb-heimdall]

✅ Heimdall Review Status

Requirement	Status	More Info
Reviews	✅ 1/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 2 if repo is sensitive 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

[soheimam]

I think we have one more manifest example to update.