add new annotation for injecting 2nd-to-last path component into resource configs

[jgraettinger]

Work in progress: https://github.com/estuary/flow/pull/1572

[mdibaiee]

GitHub discussion: https://github.com/estuary/flow/discussions/1579

[mdibaiee]

Progress Tracking

• [x] Updating code of connectors to include x-schema-name and x-delta-updates in their resource config schemas: https://github.com/estuary/connectors/pull/1892
• [ ] Implement x-schema-name and x-delta-updates processing in control plane for source captures: https://github.com/estuary/flow/pull/1572
• [ ] Implement x-schema-name and x-delta-updates processing in the UI
• [ ] Change collection naming convention of captures to include schema with a slash: https://github.com/estuary/connectors/pull/1907

[dyaffe]

It would be great to talk through this one before we release it, after standup tomorrow.