[skip vbump] upversion 0.4.3 (#285)

Fixes #275 

### Summary
* Update NEWS
* Update DESCRIPTION

Author: donyunardi

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: teal.widgets
 Title: 'shiny' Widgets for 'teal' Applications
-Version: 0.4.2.9031
+Version: 0.4.3
 Date: 2025-01-31
 Authors@R: c(
     person("Dawid", "Kaledkowski", , "dawid.kaledkowski@roche.com", role = c("aut", "cre")),

NEWS.md

@@ -1,4 +1,9 @@
-# teal.widgets 0.4.2.9031
+# teal.widgets 0.4.3
+
+### Miscellaneous
+* Improve the documentation for several functions by adding examples.
+* Fix several bugs related to plot resizing.
+* Fix the bug when `plot_width` not given in `plot_with_settings`.
 
 # teal.widgets 0.4.2