fix(ci): install git in builder and pass token for private dependency

The builder image needs git to clone the schwab-scraper SSH dependency.
Uses git insteadOf to redirect SSH URLs to HTTPS with CR_PAT in CI.

Dockerfile

@@ -2,13 +2,19 @@ FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS builder
 
 ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
 
+RUN apt-get update && apt-get install -y --no-install-recommends git && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 
-# Copy dependency files and install
+ARG GIT_TOKEN=""
+RUN if [ -n "$GIT_TOKEN" ]; then \
+      git config --global url."https://${GIT_TOKEN}@gitea.ext.ben.io/".insteadOf "ssh://gitea@git.local.ben.io/" && \
+      git config --global --add url."https://${GIT_TOKEN}@gitea.ext.ben.io/".insteadOf "ssh://git.local.ben.io/"; \
+    fi
+
 COPY pyproject.toml uv.lock ./
 RUN uv sync --frozen --no-dev --no-install-project
 
-# Copy project files
 COPY . .
 RUN uv sync --frozen --no-dev