fix(relay): include git hook tools in runtime image (#1326)

Signed-off-by: Thomas Petersen <thomasp@squareup.com>

Dockerfile

@@ -77,7 +77,9 @@ LABEL org.opencontainers.image.title="Buzz" \
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         ca-certificates \
+        curl \
         git \
+        openssl \
     && rm -rf /var/lib/apt/lists/* \
     && groupadd --system --gid 1000 buzz \
     && useradd  --system --uid 1000 --gid 1000 --home-dir /var/lib/buzz \