v2.0.0-rc.4

Changes since v2.0.0-rc.3

• feat(stt): align words with character-level DTW
• docs(stt): match the char-dtw comment to the measured numbers
• fix(stt): fail configure if the patched whisper.cpp is not compiled; read the harness port from the helper env
• feat(stt): re-time whisper's words on a CTC forced aligner
• fix(stt): never hold a chunk on the word aligner's download
• feat(stt): run the word aligner on the GPU only, measured against phase 2
• docs(stt): correct the French take reading, and record the silent-letter trial
• fix(stt-eval): say so when real-check has no word to compare

Full Changelog: v2.0.0-rc.3...v2.0.0-rc.4