Added myself and some of my packages

For now, these are the packages of mine that I'm aware that lambdabot depends on.

build-constraints.yaml

@@ -1223,6 +1223,14 @@ packages:
         - refact
         - servant-pandoc
 
+    "James Cook <mokus@deepbondi.net> @mokus0":
+        - dependent-sum
+        - dependent-sum-template
+        - dependent-map
+        - dice
+        - hstatsd
+        - misfortune
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6