fix(ci): grant necessary permissions for docker publish workflow

.github/workflows/release-candidate.yml

@@ -5,6 +5,10 @@ on:
     tags:
       - '*-rc*'
 
+permissions:
+  contents: write
+  packages: write
+
 jobs:
   docker_publish:
     uses: ./.github/workflows/docker.yml

.github/workflows/release.yml

@@ -6,6 +6,10 @@ on:
       - '*.*.*'
       - '!*-*'
 
+permissions:
+  contents: write
+  packages: write
+
 jobs:
   docker_publish:
     uses: ./.github/workflows/docker.yml