Update versions of knitr, rmarkdown and xfun

Author: andrewgait

renv/profiles/lesson-requirements/renv.lock

@@ -522,7 +522,7 @@
     },
     "knitr": {
       "Package": "knitr",
-      "Version": "1.49",
+      "Version": "1.51",
       "Source": "Repository",
       "Type": "Package",
       "Title": "A General-Purpose Package for Dynamic Report Generation in R",
@@ -808,7 +808,7 @@
     },
     "rmarkdown": {
       "Package": "rmarkdown",
-      "Version": "2.29",
+      "Version": "2.31",
       "Source": "Repository",
       "Type": "Package",
       "Title": "Dynamic Documents for R",
@@ -925,7 +925,7 @@
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.51",
+      "Version": "0.57",
       "Source": "Repository",
       "Type": "Package",
       "Title": "Supporting Functions for Packages Maintained by 'Yihui Xie'",