ci: add release workflow

[skip ci]

Change-Id: I1d493d0087283d1ed1f0c2b2e48bedbfa168d5bc
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 74f5cd3..dae5427 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,8 @@
 name: CI
 on:
   push:
+    branches:
+      - '**'
     paths-ignore:
       - 'Dockerfile'
       - '.dockerignore'