Fix permissions for uploading to release

Signed-off-by: Ricardo Lopes <[email protected]>

Author: ricardoapl

.github/workflows/openvex.yml

@@ -12,6 +12,10 @@ permissions:
 jobs:
   vexctl:
     runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+
     steps:
       - name: Checkout code
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7