Update funty requirement from =1.1.0 to =1.2.0

Updates the requirements on [funty](https://github.com/myrrlyn/funty) to permit the latest version.
- [Release notes](https://github.com/myrrlyn/funty/releases)
- [Changelog](https://github.com/myrrlyn/funty/blob/master/CHANGELOG.md)
- [Commits](https://github.com/myrrlyn/funty/commits)

Signed-off-by: dependabot[bot] <support@github.com>

lib/Cargo.toml

@@ -38,7 +38,7 @@ rio_turtle = "0.5"
 rio_xml = "0.5"
 hex = "0.4"
 nom = "6"
-funty="=1.1.0"
+funty="=1.2.0"
 peg = "0.6"
 siphasher = "0.3"
 lasso = {version="0.4", features=["multi-threaded", "inline-more"]}