ci: setup-powershell env var (#88)

* fix: setup-powershell env var

* fixup

Author: vaind

.github/actions/setup-powershell/action.yml

@@ -1,17 +1,9 @@
 name: Setup PowerShell
 description: Setup PowerShell (Core) at a given version
-inputs:
-  version:
-    description: Powershell version to install
-    required: true
 
 runs:
   using: composite
   steps:
-    # Set global environment variable for all subsequent steps
-    - run: echo "POWERSHELL_VERSION=${{ inputs.version }}" >> $GITHUB_ENV
-      shell: bash
-
     # Download the powershell '.tar.gz' archive
     - run: curl -L -o /tmp/powershell.tar.gz "https://github.com/PowerShell/PowerShell/releases/download/v$POWERSHELL_VERSION/powershell-$POWERSHELL_VERSION-linux-x64.tar.gz"
       shell: bash

.github/workflows/build.yml

@@ -75,8 +75,8 @@ jobs:
       - name: Setup PowerShell ${{ matrix.version }}
         if: ${{ matrix.version != '' }}
         uses: ./.github/actions/setup-powershell
-        with:
-          version: ${{ matrix.version }}
+        env:
+          POWERSHELL_VERSION: ${{ matrix.version }}
 
       - run: $PSVersionTable