Fix manual workflow dispatch for validate

Author: hasufell

.github/workflows/validate.yml

@@ -19,6 +19,16 @@ on:
   release:
     types:
       - created
+  workflow_dispatch:
+    inputs:
+      allow-newer:
+        description: allow-newer line
+        required: false
+        type: string
+      constraints:
+        description: constraints line
+        required: false
+        type: string
 
 env:
   # We choose a stable ghc version across all os's

cabal.validate.project

@@ -8,8 +8,6 @@ write-ghc-environment-files: never
 program-options
   ghc-options: -Werror
 
--- This project file is used to distribute the cabal-head binary,
--- as such we cannot enable "-march=native".
 constraints:
   hashable -arch-native,
   tar >= 0.6.2.0,
@@ -21,3 +19,4 @@ constraints:
 
 package zlib
   flags: -pkg-config +bundled-c-zlib
+