Is there any relationship between project management and innovation?

Definitely and obviously there is.

As each project is distinct from another,  innovation in terms of how each project is managed is applied. Every project has different situations and  unforeseen events that may happen during the project execution. These distinctive events  create different kinds of challenges that the Project Management will face. To prevail over these challenges, the Project Management has to come up with innovations suitable to the situation and challenges that have arisen or emerged.

Yes, there is strong relationship between project mannagement and innovation.
Becuse, successful project management needs different invovation approaches in different contexts.

Innovation is the Mother of Project Development

There is always a relation between Innovation and what we do in life; it is a reflection of how much we LOVE what we do...
to the extent that we strive to inhance it...