Add stack.yaml for ghc-9.6

Author: TristanCacqueray

stack-ghc-9.6.yaml

@@ -0,0 +1,17 @@
+resolver: nightly-2023-07-17
+
+packages:
+  - 'external-stg-syntax'
+  - 'external-stg'
+  - 'external-stg-interpreter'
+#  - 'lambda'
+#  - 'external-stg-compiler'
+
+extra-deps:
+  - github: luc-tielen/souffle-haskell
+    commit: bcd7e3c058c9036d8495cf114520663917b7ac81
+  - type-errors-pretty-0.0.1.2@sha256:9042b64d1ac2f69aa55690576504a2397ebea8a6a55332242c88f54027c7eb57,2781
+  - github: david-christiansen/final-pretty-printer
+    commit: 048e8fa2d8b2b7a6f9e4e209db4f67361321eec8
+
+allow-newer: true