Use dev version of gridtables.

Closes #9085.

cabal.project

@@ -17,6 +17,11 @@ source-repository-package
   location: https://github.com/jgm/texmath.git
   tag: ddc2530c82dbf985c34fcbc28b2d174d7806ad3b
 
+source-repository-package
+  type: git
+  location: https://github.com/quarto-dev/gridtables.git
+  tag: 7c9d6df1d8144cf1daaf247ffc0dff6926fa5a67
+
 -- GHC 9.14 ships base 4.22 and containers 0.8, which are newer than
 -- the upper bounds of these packages allow.
 if impl(ghc >= 9.14)

stack.yaml

@@ -49,6 +49,8 @@ extra-deps:
   commit: ddc2530c82dbf985c34fcbc28b2d174d7806ad3b
 - git: https://github.com/jgm/citeproc.git
   commit: 9ea211d20b3a1f8f6335b8de3a75a27b0388def7
+- git: https://github.com/quarto-dev/gridtables.git
+  commit: 7c9d6df1d8144cf1daaf247ffc0dff6926fa5a67
 # needed because not yet in nixpkgs:
 - pandoc-types-1.23.1.2
 # needed because not yet in nixpkgs: