bump htmlDependency version and update news

Author: cpsievert

NEWS.md

@@ -1,5 +1,9 @@
 # 4.9.2.9000
 
+## Changes to plotly.js
+
+* This version of the R package upgrades the version of the underlying plotly.js library from v1.52.2 to v1.54.1. This includes many bug fixes and improvements. The [plotly.js release page](https://github.com/plotly/plotly.js/releases) has the full list of changes.
+
 ## IMPROVEMENTS
 
 ## BUG FIXES

R/plotly.R

@@ -478,7 +478,7 @@ typedArrayPolyfill <- function() {
 plotlyMainBundle <- function() {
   htmltools::htmlDependency(
     name = "plotly-main", 
-    version = "1.52.2",
+    version = "1.54.1",
     package = "plotly",
     src = dependency_dir("plotlyjs"),
     script = "plotly-latest.min.js",