Add ouroboros-consensus to Github Actions build

Author: newhoggy

.github/workflows/build.yml

@@ -179,6 +179,9 @@ jobs:
     - name: ouroboros-network [build]
       run: cabal --builddir="$CABAL_BUILDDIR" build ouroboros-network
 
+    - name: ouroboros-consensus [build]
+      run: cabal --builddir="$CABAL_BUILDDIR" build ouroboros-consensus
+
     #
     # Test network packages
     #
@@ -209,6 +212,9 @@ jobs:
     - name: ouroboros-network [test]
       run: cabal --builddir="$CABAL_BUILDDIR" run ouroboros-network:test
 
+    - name: ouroboros-consensus [test]
+      run: cabal --builddir="$CABAL_BUILDDIR" run ouroboros-consensus:test
+
     # TODO: we need to install the cddl tool
     # - name: ouroboros-network [cddl]
     #   run: cabal --builddir="$CABAL_BUILDDIR" run test-cddl