build: fix permissions in docker push

Apparently newer repos need a permission that this one did not.

Author: deweysasser

.github/workflows/release.yml

@@ -4,6 +4,10 @@ on:
   push:
     tags: [ v* ]
 
+permissions:
+  contents: write
+  packages: write
+  
 env:
   REPO: ${{github.repository}}