Update changelog

CHANGELOG.md

@@ -1,13 +1,13 @@
 # Changelog
 
-## [«unknown»](https://github.com/NASA-PDS/validate/tree/«unknown») (2024-06-06)
+## [«unknown»](https://github.com/NASA-PDS/validate/tree/«unknown») (2024-06-07)
 
 [Full Changelog](https://github.com/NASA-PDS/validate/compare/v3.5.1...«unknown»)
 
 **Defects:**
 
+- Validate throws an error when UnsignedBitString has 61 bits [\#919](https://github.com/NASA-PDS/validate/issues/919) [[s.medium](https://github.com/NASA-PDS/validate/labels/s.medium)]
 - context\_ref\_mismatch does not run except when -R pds4.label [\#915](https://github.com/NASA-PDS/validate/issues/915) [[s.low](https://github.com/NASA-PDS/validate/labels/s.low)]
-- Validation failed for flavour PDF/A-1b in file XYZ error message does not provide details anymore [\#912](https://github.com/NASA-PDS/validate/issues/912) [[s.medium](https://github.com/NASA-PDS/validate/labels/s.medium)]
 - Validate 3.5.0-snapshot gives error when encountering Document objects/files used in other Document products. [\#905](https://github.com/NASA-PDS/validate/issues/905) [[s.medium](https://github.com/NASA-PDS/validate/labels/s.medium)]
 - Validate not retrying on sch load failure [\#903](https://github.com/NASA-PDS/validate/issues/903) [[s.low](https://github.com/NASA-PDS/validate/labels/s.low)]
 - Validate error during JPEG content validation [\#902](https://github.com/NASA-PDS/validate/issues/902) [[s.medium](https://github.com/NASA-PDS/validate/labels/s.medium)]