Another attempt at matrix fix

Author: gmarkall

.github/workflows/wheel-windows-build.yaml

@@ -22,7 +22,6 @@ on:
         type: string
         default: "."
 
-
 jobs:
   compute-matrix:
     runs-on: ubuntu-latest
@@ -31,6 +30,8 @@ jobs:
     steps:
       - name: Compute Python Test Matrix
         id: compute-matrix
+        env:
+          MATRIX: ${{ inputs.matrix }}
         run: |
           set -eo pipefail
           MATRIX=$(yq -n -o json 'env(MATRIX)' | jq -c)

.github/workflows/wheel-windows-tests.yaml

@@ -30,6 +30,8 @@ jobs:
     steps:
       - name: Compute Python Test Matrix
         id: compute-matrix
+        env:
+          MATRIX: ${{ inputs.matrix }}
         run: |
           set -eo pipefail
           MATRIX=$(yq -n -o json 'env(MATRIX)' | jq -c)