Add upper bound for pandoc, #7943

Author: alexeyzab

build-constraints.yaml

@@ -7882,6 +7882,12 @@ packages:
 
         # https://github.com/commercialhaskell/stackage/issues/7941
         - typst < 0.9
+
+        # https://github.com/commercialhaskell/stackage/issues/7943
+        - pandoc < 3.9
+        - pandoc-cli < 3.9
+        - pandoc-server < 0.1.2
+        - pandoc-lua-engine < 0.5.1
     # end of Stackage upper bounds
 # end of packages