Add missing section to release 3.1.1 and 3.1.2 (#232)

CHANGELOG.md

@@ -16,6 +16,13 @@ This is hot-fix release to fix multiple issues introduced in `3.1.0`.
 * Fixed an [issue](https://github.com/ChuckerTeam/chucker/pull/222) with crash when user taps Clear from notification shade while the original app is already dead.
 * Fixed an [issue](https://github.com/ChuckerTeam/chucker/pull/223) with possible NPEs.
 
+### Credits
+
+This release was possible thanks to the contribution of:
+
+@MiSikora
+@vbuberen
+
 ## Version 3.1.1 *(2020-01-25)*
 
 This is hot-fix release to fix issue introduced in `3.1.0`.
@@ -24,6 +31,12 @@ This is hot-fix release to fix issue introduced in `3.1.0`.
 
 - Fixed an [issue](https://github.com/ChuckerTeam/chucker/issues/203) introduced in 3.1.0 where some of response bodies were shown as `null` and their sizes were 0 bytes.
 
+### Credits
+
+This release was possible thanks to the contribution of:
+
+@cortinico
+
 ## Version 3.1.0 *(2020-01-24)*
 
 ### This version shouldn't be used as dependency due to [#203](https://github.com/ChuckerTeam/chucker/issues/203). Use 3.1.1 instead.