Add libcurl4-openssl-dev dependency to build Kafka ingress with OIDC enabled

The Kafka ingress requires the libcurl4-openssl-dev dependency to be built, because
when linking against a static curl library, the OIDC won't be enabled (probably a bug
in librdkafka).

Author: tillrohrmann

docker/Dockerfile

@@ -11,6 +11,7 @@ RUN cargo search --limit=1 && \
     g++-aarch64-linux-gnu \
     protobuf-compiler \
     libprotoc-dev \
+    libcurl4-openssl-dev \
     clang \
     cmake \
     llvm \