fix(docker): update whisper model in demo image (#18) #92

Job	Run time
UI / Test	21s
UI / Lint (TypeScript + ESLint)	27s
Skit / Test	6m 14s
Skit / Lint (fmt + clippy)	3m 21s
Skit / Build	8m 23s
Plugins / Lint (Simple Plugins)	41s
E2E / Playwright E2E	6m 2s
Plugins / Lint (Whisper)	34s
UI / Build	25s
Plugins / Lint (NLLB)	2m 18s
Plugins / Format Check	18s
Plugins / Lint (Sherpa-ONNX Plugins)	47s
All Checks Passed	2s
	29m 53s

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