feat(update): stage 2 sha256 verification for auto-update

.gitea/workflows/release.yml

@@ -89,6 +89,18 @@ jobs:
             throw "Archive not found: $archivePath"
           }
 
+      - name: Generate SHA256 checksum
+        if: env.CONTINUE == 'true'
+        shell: powershell
+        run: |
+          $version = "${{ steps.extract_version.outputs.version }}"
+          $archiveName = "AnabasisManager-$version.zip"
+          $archivePath = "dist/$archiveName"
+          $checksumPath = "dist/$archiveName.sha256"
+          $hash = (Get-FileHash -Path $archivePath -Algorithm SHA256).Hash.ToLower()
+          "$hash  $archiveName" | Set-Content -Path $checksumPath -Encoding UTF8
+          Write-Host "Checksum created: $checksumPath"
+
       - name: Configure git identity
         if: env.CONTINUE == 'true'
         shell: powershell
@@ -118,3 +130,4 @@ jobs:
             Desktop release v${{ steps.extract_version.outputs.version }}
           files: |
             dist/AnabasisManager-${{ steps.extract_version.outputs.version }}.zip
+            dist/AnabasisManager-${{ steps.extract_version.outputs.version }}.zip.sha256