CI: generate sha256sum for source tarballs

Ref: ncipollo/release-action#400

.github/workflows/ci.yml

@@ -369,29 +369,45 @@ jobs:
     permissions:
       contents: write
     steps:
-      - name: download artifacts
-        uses: actions/download-artifact@v4
-
       - name: get latest release version
         id: get_version_release
         uses: pozetroninc/github-action-get-latest-release@master
         with:
           repository: ${{ github.repository }}
 
-      - name: generate release-notes
+      - name: download artifacts
+        if: needs.linux.outputs.ffversion != steps.get_version_release.outputs.release
+        uses: actions/download-artifact@v4
+
+      - name: create release
+        if: needs.linux.outputs.ffversion != steps.get_version_release.outputs.release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: ${{ needs.linux.outputs.ffversion }}
+          commit: ${{ github.sha }}
+          artifactErrorsFailBuild: true
+          artifacts: fastfetch-*/fastfetch-*
+          body: "Please refer to [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/${{ needs.linux.outputs.ffversion }}/CHANGELOG.md) for details."
+
+      - name: download source tarballs
+        if: needs.linux.outputs.ffversion != steps.get_version_release.outputs.release
         run: |
+          for i in 1 2 3 4 5; do curl -L --remote-name-all --output-dir fastfetch-source --create-dirs https://github.com/${{ github.repository }}/archive/refs/tags/${{ needs.linux.outputs.ffversion }}.{tar.gz,zip} && break || sleep 5; done
           ls fastfetch-*/*
-          echo "Please refer to [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/${{ needs.linux.outputs.ffversion }}/CHANGELOG.md#${{ needs.linux.outputs.ffversion }}) for details." > fastfetch-release-notes.md
+
+      - name: generate release notes
+        if: needs.linux.outputs.ffversion != steps.get_version_release.outputs.release
+        run: |
+          echo "Please refer to [CHANGELOG.md](https://github.com/${{ github.repository }}/blob/${{ needs.linux.outputs.ffversion }}/CHANGELOG.md) for details." > fastfetch-release-notes.md
           echo -e "\n---\n\n<details><summary>SHA256SUMs</summary><br>\n\n\`\`\`" >> fastfetch-release-notes.md
           sha256sum fastfetch-*/* >> fastfetch-release-notes.md
-          echo -e "\n\`\`\`\n</details>" >> fastfetch-release-notes.md
+          echo -e "\`\`\`\n</details>" >> fastfetch-release-notes.md
 
-      - name: create release
+      - name: update release body
         if: needs.linux.outputs.ffversion != steps.get_version_release.outputs.release
         uses: ncipollo/release-action@v1
         with:
           tag: ${{ needs.linux.outputs.ffversion }}
           commit: ${{ github.sha }}
           bodyFile: fastfetch-release-notes.md
-          artifactErrorsFailBuild: true
-          artifacts: fastfetch-*/*
+          allowUpdates: true