Ako/update docker image creator (deriv-com#16236)

* ci: get the tag name from inputs

* ci: fix indentation on inputs

* ci: rename the workflow

.github/workflows/build_docker_passkey_image.yml → .github/workflows/build_docker_image.yml

@@ -3,9 +3,9 @@ on:
   workflow_dispatch:
     inputs:
         docker_image_tag_name:
-        type: string
-        description: Docker image tag name
-        required: true
+          type: string
+          description: Docker image tag name
+          required: true
 jobs:
   push_to_registry:
     name: Push Docker image to Docker Hub