Install hie-8.6.5 to avoid segfaults with ghc-8.8.3

Author: jneira

.azure/windows-installhs-stack.yml

@@ -6,6 +6,8 @@ jobs:
   variables:
     YAML_FILE: install/shake.yaml
     STACK_ROOT: "C:\\sr"
+    # 
+    GHC_VERSION: "8.6.5"
   steps:
   - task: Cache@2
     inputs:
@@ -46,7 +48,8 @@ jobs:
   - bash: |
       source .azure/windows-stack.bashrc
       # Some executions fails with spurious errors installing executables
-      stack install.hs latest || stack install.hs latest
+      # We can't install the latest target cause it is ghc-8.8.3 and throws segfaults
+      stack install.hs hie-${GHC_VERSION} || stack install.hs hie-${GHC_VERSION}
     displayName: Run latest target of `install.hs`
   - bash: |
       mkdir -p .azure-cache