CHANGELOG in pdf-reader-2.4.0 vs CHANGELOG in pdf-reader-2.4.1

@@ -1,4 +1,7 @@
+v.2.4.1 (24th September 2020)
+- Re-vendor font metrics from Adobe to clarify their license
+
 v2.4.0 (21st November 2019)
 - Optimise overlapping characters code introduced in 2.3.0. Text extraction of pages with
   thousands of characters is still slower than it was in 2.2.1, but it might tolerable
   for now. See https://github.com/yob/pdf-reader/pull/308 for details.
 - Implement very basic font substitution for Type1 and TrueType fonts that aren't embedded