Update changelog

Author: kdeldycke

changelog.md

@@ -7,6 +7,7 @@
 
 - [mpm] Fix parsing of package specifiers with multiple version separators.
 - [npm] Fix retrieval of installed packages.
+- [fwupd] Remove `--offline` parameter which has been silently disabled and has now been remove in v2.0.0 of `fwupd`. Refs {pr}`1511`.
 - [bar-plugin] Bump minimal Python version to 3.10 to aligns it with `mpm` itself.
 - [mpm] Remove reference to `python3` command in documentation to reduce confusion.
 - [mpm] Build `arm64` binary for Linux and Windows.