Add initial proposer to TEEProverRegistry initialization

[leopoldjoy]

Adds an initialProposer parameter to TEEProverRegistry.initialize() so the proposer can be registered atomically during deployment instead of requiring a separate setProposer call. Passing address(0) skips registration for backwards compatibility. Updated deploy scripts to pass cfg.teeProposer() at initialization, removing the separate _registerProposer step.

[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

[roger-bai-coinbase]

Fine with the changes. Just update the semver lock file

Approved review 3995558401 from roger-bai-coinbase is now dismissed due to new commit. Re-request for approval.