update the citations

[chrishavlin]

https://vbr-calc.github.io/vbr/relatedpubs/ could use a refresh.

that page source is at https://github.com/vbr-calc/vbr/blob/9f3520ab7f265575025c1df8d046e86cdee485a5/docs/_pages/relatedpubs.md

need to check the cited-by list and see which actually use the VBRc (versus just cite it): https://scholar.google.com/scholar?oi=bibs&hl=en&cites=111349451184092510

[chrishavlin]

Here's another to add:

Bezada, M. J., Byrnes, J. S., Zhu, Z., & Lee, H. (2023). Lateral variations in teleseismic attenuation of the conterminous U.S. and new insights derived from its relationship to Mantle seismic velocity. Journal of Geophysical Research: Solid Earth, 128, e2023JB027299. https://doi.org/10.1029/2023JB027299 EDIT: added in #107