feat(ci): Adds sha256/512 sum asset in release

Author: amimof

.github/workflows/release.yaml

@@ -64,6 +64,12 @@ jobs:
           GOOS=freebsd GOARCH=386 BUILDPATH=./bin/node-cert-exporter-freebsd-386 make
           GOOS=freebsd GOARCH=arm BUILDPATH=./bin/node-cert-exporter-freebsd-arm make
 
+      - name: Generate checksums
+        run: |
+          cd bin
+          sha256sum * > sha256sum.txt
+          sha512sum * > sha512sum.txt
+
       - name: Create Release
         uses: ncipollo/release-action@v1
         with: