feat(build_push_container): Replace hardcoded zuul path with configurable variable

Replace hardcoded /home/zuul/ paths with the configurable ansible_user_dir
variable in the molecule converge.yml task file to remove hardcoded
dependencies and align with other roles in the framework.

Author: bshewale

roles/build_push_container/molecule/default/converge.yml

@@ -32,7 +32,7 @@
             cifmw_build_push_container_patch_number: 123
             cifmw_build_push_container_name: test_container_multi_arch
             cifmw_build_push_container_containerfile_path: >-
-              /home/zuul/src/github.com/openstack-k8s-operators/ci-framework/roles/build_push_container/molecule/default/files/containerfile
+              {{ ansible_user_dir }}/src/github.com/openstack-k8s-operators/ci-framework/roles/build_push_container/molecule/default/files/containerfile
             cifmw_build_push_container_registry_name: 127.0.0.1:5001/cifmw-client/test_container_multi_arch
             cifmw_build_push_container_registry_tls_verify: false
             cifmw_build_push_container_supported_platform: [linux/amd64, linux/arm64]
@@ -78,7 +78,7 @@
             cifmw_build_push_container_patch_number: 123
             cifmw_build_push_container_name: test_container_single_arch
             cifmw_build_push_container_containerfile_path: >-
-              /home/zuul/src/github.com/openstack-k8s-operators/ci-framework/roles/build_push_container/molecule/default/files/containerfile
+              {{ ansible_user_dir }}/src/github.com/openstack-k8s-operators/ci-framework/roles/build_push_container/molecule/default/files/containerfile
             cifmw_build_push_container_registry_name: 127.0.0.1:5001/cifmw-client/test_container_single_arch
             cifmw_build_push_container_registry_tls_verify: false
           ansible.builtin.include_role: