[tune](deps): Bump timm from 0.3.2 to 0.4.9 in /python/requirements

Bumps [timm](https://github.com/rwightman/pytorch-image-models) from 0.3.2 to 0.4.9.
- [Release notes](https://github.com/rwightman/pytorch-image-models/releases)
- [Changelog](https://github.com/rwightman/pytorch-image-models/blob/master/docs/changes.md)
- [Commits](https://github.com/rwightman/pytorch-image-models/commits/v0.4.9)

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

python/requirements/tune/requirements_tune.txt

@@ -33,7 +33,7 @@ scikit-optimize==0.8.1
 sigopt==7.4.0
 smart_open==5.0.0
 tensorflow-probability==0.13.0
-timm==0.4.5
+timm==0.4.9
 
 
 torch==1.8.1;sys_platform=="darwin"