Update fann2 requirement in /requirements

Updates the requirements on [fann2](https://github.com/FutureLinkCorporation/fann2) to permit the latest version.
- [Release notes](https://github.com/FutureLinkCorporation/fann2/releases)
- [Changelog](https://github.com/FutureLinkCorporation/fann2/blob/master/ChangeLog)
- [Commits](FutureLinkCorporation/fann2@1.0.7...1.1.2)

---
updated-dependencies:
- dependency-name: fann2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements/lgpl.txt

@@ -1,2 +1,2 @@
 ovos_padatious>=1.0.3, <2.0.0
-fann2>=1.0.7, < 1.1.0
+fann2>= 1.0.7, < 1.2.0