chore: use caps in as line (#188)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

Dockerfile

@@ -21,7 +21,7 @@ RUN echo "Building tags/${NODE_VERSION}..." \
     && rm -rf /root/.cabal/store/ghc-${GHC_VERSION}
 
 FROM ghcr.io/blinklabs-io/cardano-cli:9.4.1.0-1 AS cardano-cli
-FROM ghcr.io/blinklabs-io/cardano-configs:20240725-1 as cardano-configs
+FROM ghcr.io/blinklabs-io/cardano-configs:20240725-1 AS cardano-configs
 FROM ghcr.io/blinklabs-io/mithril-client:0.9.9-1 AS mithril-client
 FROM ghcr.io/blinklabs-io/nview:0.10.1 AS nview
 FROM ghcr.io/blinklabs-io/txtop:0.11.1 AS txtop