add docker into container, to be able to docker login

.gitea/workflows/harmony_composer.yaml

@@ -8,7 +8,8 @@ on:
 jobs:
   package_harmony_composer:
     container:
-      image: hub.nationtech.io/harmony/harmony_composer:ci
+      image: hub.nationtech.io/harmony/harmony_composer:latest
+      force_pull: true
     runs-on: docker
     steps:
       - name: Checkout code

Dockerfile

@@ -15,6 +15,8 @@ RUN apt update
 # For checkout action
 RUN apt install -y nodejs
 
+RUN apt install -y docker.io
+
 RUN rustup target add x86_64-unknown-linux-gnu
 
 RUN apt install -y mingw-w64