Merge in backpublished 1.9.6 changelog (flutter#97)

Author: natebosch

CHANGELOG.md

@@ -1,3 +1,5 @@
+## 1.10.0-nullsafety.7-dev
+
 ## 1.10.0-nullsafety.6
 
 * Fix bug parsing asynchronous suspension gap markers at the end of stack
@@ -30,6 +32,14 @@
 
 * Opt in to null safety.
 
+## 1.9.6 (backpublish)
+
+* Fix bug parsing asynchronous suspension gap markers at the end of stack
+  traces. (Also fixed separately in 1.10.0-nullsafety.3)
+* Fix bug parsing asynchronous suspension gap markers at the end of stack
+  traces, when parsing with `Trace.parse` and `Chain.parse`. (Also fixed
+  separately in 1.10.0-nullsafety.6)
+
 ## 1.9.5
 
 * Parse the format for `data:` URIs that the Dart VM has used since `2.2.0`.

pubspec.yaml

@@ -1,5 +1,5 @@
 name: stack_trace
-version: 1.10.0-nullsafety.6
+version: 1.10.0-nullsafety.7-dev
 description: A package for manipulating stack traces and printing them readably.
 homepage: https://github.com/dart-lang/stack_trace