feat: add BotBlockVersion to registry

[aalhadxx]

What does this PR do?

Adds BotBlockVersion to the metadata registry for deploy/retrieve support.

What issues does this PR fix or reference?

Closes a gap identified in METADATA_SUPPORT.md — BotBlockVersion is listed as ❌ "Not supported, but support could be added."

Functionality Before

BotBlockVersion metadata type could not be deployed or retrieved using the CLI because it was absent from the registry.

Functionality After

BotBlockVersion is now recognized by the registry, enabling standard deploy/retrieve operations.

Metadata Registry: Successful Deploy and Retrieve (required if applicable)

Registry entry generated following the documented contribution guidelines.

Validation results:

• yarn mocha test/registry/registryValidation.test.ts — 29,124 passing
• Entry follows existing alphabetical ordering conventions in suffixes and types
• No suffix collisions introduced

[aalhadxx]

Local validation run on this branch:

$ yarn mocha test/registry/registryValidation.test.ts
29124 passing (838ms)
0 failing

The registry entry is clean and follows alphabetical ordering. Happy to address any feedback.