fix: Remove bun.lock from .dockerignore to fix docker build error

fix: Remove bun.lock from .dockerignore to fix docker build error
 => ERROR [builder 3/6] COPY ./package.json ./bun.lock ./                                                         0.0s
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 > [builder 3/6] COPY ./package.json ./bun.lock ./:
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Dockerfile:4
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   2 |     WORKDIR /app
   3 |
   4 | >>> COPY ./package.json ./bun.lock ./
   5 |     RUN bun install --frozen-lockfile
   6 |
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Dockerfile:13
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  11 |     WORKDIR /app
  12 |
  13 | >>> COPY ./package.json ./bun.lock ./
  14 |     RUN bun install --frozen-lockfile --production --ignore-scripts --no-cache
  15 |