meta: Add changelog entries for two more fixes
**Fixes**:
- Correctly resolve the `DW_AT_producer` attribute of DWARF files ([#676](https://github.com/getsentry/symbolic/pull/676))
+- Improve _sigtramp workaround and explanation ([#662](https://github.com/getsentry/symbolic/pull/662))
+- Slightly lower demangling recursion limit ([#655](https://github.com/getsentry/symbolic/pull/655))
## 9.1.1
