[FEAT] Declare the minimum R version required by `bpmnVisualizationR`

**Is your feature request related to a problem? Please describe.**
Currently, users of the package don't know what R version they can use at minimum.

**Describe the solution you'd like**
See https://blog.r-hub.io/2022/09/12/r-dependency/.

**Describe alternatives you've considered**
N/A

**Additional context**
N/A