Bump whatsnew/3.8 to 3.14

Close #3442

Author: cmaureir

dictionaries/whatsnew_3.8.txt

@@ -19,13 +19,15 @@ Bo
 Bolsterlee
 Bronson
 Bussonnier
+Bélanger
 Cannon
 Carl
 Chapman
 Cheryl
 Christian
 Ci
 Coombs
+Coudert
 Customized
 Cuthbert
 Cédric
@@ -92,6 +94,7 @@ Levkivskyi
 Mark
 Matveev
 Max
+Maxime
 Meily
 Merzouki
 Meyer
@@ -120,6 +123,7 @@ Reedy
 Roach
 Rodola
 Rodolà
+Rykoff
 Rémi
 Sabella
 Saimadhav