Add pkg-config to Dockerfile (#609)

docker/Dockerfile

@@ -49,7 +49,7 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry,id=${TARGETPLATFORM}-${P
 FROM debian:bookworm-slim AS arroyo-single
 WORKDIR /app
 RUN apt-get update && \
-    apt-get -y install libssl-dev openssl supervisor libsasl2-dev curl postgresql postgresql-client sudo
+    apt-get -y install libssl-dev openssl supervisor libsasl2-dev curl postgresql postgresql-client sudo pkg-config
 
 COPY docker/install_deps.sh /install_deps.sh
 RUN sh /install_deps.sh run
@@ -74,7 +74,7 @@ FROM debian:bookworm-slim as arroyo
 WORKDIR /app
 
 RUN apt-get update && \
-    apt-get -y install libsasl2-2 ca-certificates curl
+    apt-get -y install libsasl2-2 ca-certificates curl pkg-config
 
 COPY --from=builder /arroyo-bin ./
 
@@ -89,7 +89,7 @@ ENTRYPOINT [ "/app/arroyo-bin" ]
 FROM rust:slim-bookworm AS arroyo-full
 WORKDIR /app
 RUN apt-get update && \
-    apt-get -y install libsasl2-2 ca-certificates curl
+    apt-get -y install libsasl2-2 ca-certificates curl pkg-config
 
 COPY --from=builder /arroyo-bin ./