feat(ci): Produce SHA256 checksums in release workflow

Author: rabbitstack

.github/workflows/release.yml

@@ -193,6 +193,18 @@ jobs:
         with:
           name: fibratus-${{ steps.get_version.outputs.VERSION }}-slim-amd64.msi
           path: build
+      - name: Generate SHA256 checksums
+        shell: pwsh
+        run: |
+          $version = "${{ steps.get_version.outputs.VERSION }}"
+          $files = @(
+            "fibratus-$version-amd64.msi",
+            "fibratus-$version-slim-amd64.msi"
+          )
+          foreach ($file in $files) {
+            $hash = (Get-FileHash "build\$file" -Algorithm SHA256).Hash.ToLower()
+            "$hash  $file" | Out-File -FilePath "build\$file.sha256" -Encoding utf8
+          }
       - name: Release
         uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
@@ -201,6 +213,8 @@ jobs:
           prerelease: true
           files: |
              build/fibratus-${{ steps.get_version.outputs.VERSION }}-amd64.msi
+             build/fibratus-${{ steps.get_version.outputs.VERSION }}-amd64.msi.sha256
              build/fibratus-${{ steps.get_version.outputs.VERSION }}-slim-amd64.msi
+             build/fibratus-${{ steps.get_version.outputs.VERSION }}-slim-amd64.msi.sha256
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}