revert ENV changes to Dockerfile (#8389)

Signed-off-by: Sally MacFarlane <[email protected]>

Author: macfarla

docker/Dockerfile

@@ -34,10 +34,10 @@ COPY --chown=besu:besu besu /opt/besu/
 EXPOSE 8545 8546 8547 8550 8551 30303
 
 # defaults for host interfaces
-ENV BESU_RPC_HTTP_HOST="0.0.0.0"
-ENV BESU_RPC_WS_HOST="0.0.0.0"
-ENV BESU_GRAPHQL_HTTP_HOST="0.0.0.0"
-ENV BESU_PID_PATH="/tmp/pid"
+ENV BESU_RPC_HTTP_HOST 0.0.0.0
+ENV BESU_RPC_WS_HOST 0.0.0.0
+ENV BESU_GRAPHQL_HTTP_HOST 0.0.0.0
+ENV BESU_PID_PATH "/tmp/pid"
 
 ENV OTEL_RESOURCE_ATTRIBUTES="service.name=besu,service.version=$VERSION"