Upper bound mmark (#5878)

mihaimaruseac · mihaimaruseac · commit 1d818cad147f · 2021-03-13T16:45:32.000-08:00
diff --git a/build-constraints.yaml b/build-constraints.yaml
@@ -6877,6 +6877,7 @@ packages:
 
       # https://github.com/commercialhaskell/stackage/issues/5878
       - hashable < 1.3.1.0
+      - mmark < 0.0.7.3
 
       # https://github.com/commercialhaskell/stackage/issues/5881
       - optics < 0.4
