improve formatting of package dependencies (#170)

just a suggestion, mainly to get rid of the `#>` commenting which I suspect many users will not be familiar with

vignettes/cookbook.Rmd

@@ -223,15 +223,15 @@ pak::pak("RMI-PACTA/pacta.multi.loanbook")
 
 The `pacta.multi.loanbook` package depends on a number of other R packages. These dependencies will be installed automatically when you install the `pacta.multi.loanbook` package. The required packages are:
 
-```{r imports, echo = FALSE}
+```{r imports, echo = FALSE, results = 'asis'}
 cat(utils::packageDescription("pacta.multi.loanbook")[["Imports"]])
 ```
 
 ### Suggested R packages
 
 The suggested packages are not required to run the analysis, but they are used in the examples and vignettes provided with the package:
 
-```{r suggests, echo = FALSE}
+```{r suggests, echo = FALSE, results = 'asis'}
 cat(utils::packageDescription("pacta.multi.loanbook")[["Suggests"]])
 ```