chore: update opencode submodule and docker pin #505

Job	Run time
Docker Context Guard	2m 38s
Compose File Validate	5s
Marketplace Packer Validate	7s
Bun Ecosystem Checks	7s
Cargo Package Verify	3m 32s
Format Check	13s
Build (macos-latest)	7m 5s
Build (ubuntu-latest)	5m 22s
E2E Tests	4m 44s
CLI Parity Tests	12s
	24m 5s

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