feat: version bump cardano-node to 9.0.0 (#168)

Author: wolf31o2

Dockerfile

@@ -1,6 +1,6 @@
 FROM ghcr.io/blinklabs-io/haskell:9.6.3-3.10.2.0-2 AS cardano-node-build
 # Install cardano-node
-ARG NODE_VERSION=8.12.2
+ARG NODE_VERSION=9.0.0
 ENV NODE_VERSION=${NODE_VERSION}
 RUN echo "Building tags/${NODE_VERSION}..." \
     && echo tags/${NODE_VERSION} > /CARDANO_BRANCH \