ci: attempt to combine git-docker with git-binary

using a second Dockerfile, and the prevous Makefile changes to share the
precompile step. git-binary.yaml temporarily set for ci-streamline
branch and is in a "dry run" form.

Dockerfile.ci

@@ -0,0 +1,12 @@
+FROM golang:bookworm AS final
+ARG TARGETARCH
+
+COPY ./dist/notray-e2ee_linux_${TARGETARCH}* /opt/jfa-go
+COPY ./build/data /opt/jfa-go/data
+
+RUN apt-get update -y && apt-get install libolm-dev -y
+
+EXPOSE 8056
+EXPOSE 8057
+
+CMD [ "/opt/jfa-go/jfa-go", "-data", "/data" ]