ci: upgrade softprops/action-gh-release to v3 and pin cloudsmith action

softprops/action-gh-release@v3 adds Node 24 support (v2 was Node 20).
Pin cloudsmith-io/action to v0.6.14 (latest stable) instead of @master.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/build.yml

@@ -298,7 +298,7 @@ jobs:
           name: ${{ needs.build.outputs.deb_file }}
 
       - name: Publish to Cloudsmith
-        uses: cloudsmith-io/action@master
+        uses: cloudsmith-io/action@v0.6.14
         with:
           api-key: ${{ secrets.CLOUDSMITH_API_KEY }}
           command: push
@@ -311,7 +311,7 @@ jobs:
 
       - name: Create draft GitHub Release
         if: needs.build.outputs.is_release == 'true'
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           name: "v${{ needs.build.outputs.version }}"
           draft: true