Try psutil to create checksum on Windows

action.yml

@@ -94,19 +94,23 @@ runs:
             --archive-name "${{ inputs.archive-name }}" \
             --changes-file "${{ inputs.changes-file }}" \
             --extra-files "${{ inputs.extra-files }}"
-    - name: Generate SHA-256 checksum file (*nix)
+    - name: Install psutils on Windows
+      shell: powershell
+      run: choco install --ignore-checksums psutils
+      if: runner.os == 'Windows'
+    - name: Generate SHA-256 checksum file
       shell: bash
       run: |
-        shasum -a 256 \
+        set -e
+        set -x
+
+        SHASUM="shasum"
+        if [ "${{ runner.os }}" == "Windows" ]; then
+            SHASUM=/c/programdata/chocolatey/lib/psutils/tools/psutils-master//shasum.ps1
+        fi
+        "$SHASUM" -a 256 \
             "${{ steps.package-archive.outputs.archive-basename }}" \
             > "${{ steps.package-archive.outputs.archive-basename }}.sha256"
-      if: runner.os != 'Windows'
-    - name: Generate SHA-256 checksum file (Windows)
-      shell: powershell
-      run: |
-        $hash = $(CertUtil -hashfile ${{ steps.package-archive.outputs.archive-basename }} SHA256)[1]
-        echo "${{ steps.package-archive.outputs.archive-basename }}  $hash" > "${{ steps.package-archive.outputs.archive-basename }}.sha256"
-      if: runner.os == 'Windows'
     - name: Publish release artifact for run
       id: publish-release-artifact
       uses: actions/upload-artifact@v4