fix workflow

Author: bcmmbaga

.github/workflows/release.yml

@@ -29,8 +29,8 @@ jobs:
           copyback: true
           release: "15.0"
           prepare: |
-              pkg install -y git poudriere portsnap
-              portsnap fetch extract
+            pkg install -y git poudriere
+            git clone https://git.freebsd.org/ports.git /usr/ports
           run: |
             set -ex
             cd pfSense-pkg-NetBird