Separate bibliographies per chapter in Quarto (PDF output)-CodePudding

I like to have multiple bibliographies in a Quarto document (PDF output). Could you give me a hint what is wrong with this code? (I've tried the refsection evironment from biblatex

Using Latex

Quarto itself has an option

Contents of the associated pkg.bib file,

@Manual{R-ggplot2,
  title = {ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics},
  author = {Hadley Wickham and Winston Chang and Lionel Henry and Thomas Lin Pedersen and Kohske Takahashi and Claus Wilke and Kara Woo and Hiroaki Yutani and Dewey Dunnington},
  year = {2022},
  note = {https://ggplot2.tidyverse.org},
}

@Manual{R-knitr,
  title = {knitr: A General-Purpose Package for Dynamic Report Generation in R},
  author = {Yihui Xie},
  year = {2022},
  note = {R package version 1.39},
  url = {https://yihui.org/knitr/},
}