automation: Update community.docker to version 3.4.7

This MR contains the following updates:

Package	Type	Update	Change
community.docker	galaxy-collection	patch	3.4.6 -> 3.4.7

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Release Notes

ansible-collections/community.docker

v3.4.7

Compare Source

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Release Summary

Bugfix release.

Bugfixes

• docker_swarm_info - if service=true is used, do not crash when a service without an endpoint spec is encountered (https://github.com/ansible-collections/community.docker/issues/636, https://github.com/ansible-collections/community.docker/pull/637).

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