oracle_cdc: add benchmark suite

[josephwoodward]

[claude]

Commits
LGTM

Review
This PR adds a benchmark suite under internal/impl/oracledb/bench/ with Docker management tasks, Oracle schema setup, data generation scripts, RMAN configuration, and a Redpanda Connect benchmark pipeline config. No Go code changes.

LGTM

[claude]

Commits

1. b1b275b — oracle_cdc: benchmark — Message is vague and does not use imperative mood. It should describe the action taken (e.g., oracle_cdc: add benchmark data scripts or oracle_cdc: add benchmark config and SQL seed data). If this is a follow-up to 4c066a28 (oracle_cdc: add benchmark suite), consider squashing them into a single commit since they appear to be one logical change.

Review
All changes are benchmark/dev support files (Taskfile, SQL scripts, YAML config, RMAN script) under internal/impl/oracledb/bench/. No Go code changes, no pattern violations, no security issues.

LGTM

[claude]

Commits

1. Commits b1b275b and 5019d3d both have the message oracle_cdc: benchmark — these are vague and identical. Each commit message should describe the specific change it introduces (per commit policy: flag messages that are vague). Consider squashing these into the first commit or giving each a distinct, descriptive message (e.g., oracle_cdc: add benchmark data scripts, oracle_cdc: add benchmark config).

Review
PR adds benchmark tooling (SQL scripts, Taskfile, RMAN config, YAML benchmark config) under internal/impl/oracledb/bench/. No Go code changes, no production code affected.

LGTM