Update deepspeed requirement from <0.6.0 to <0.7.0 in /requirements

Updates the requirements on [deepspeed](https://github.com/microsoft/DeepSpeed) to permit the latest version.
- [Release notes](https://github.com/microsoft/DeepSpeed/releases)
- [Commits](deepspeedai/DeepSpeed@v0.1.0...v0.6.5)

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

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

Author: dependabot[bot]

requirements/pytorch/strategies.txt

@@ -1,5 +1,5 @@
 fairscale>=0.4.5, <=0.4.6
-deepspeed<0.6.0
+deepspeed<0.7.0
 # no need to install with [pytorch] as pytorch is already installed
-horovod>=0.21.2,!=0.24.0, <=0.24.3
+horovod>=0.21.2, !=0.24.0, <0.25.1
 hivemind>=1.0.1, <=1.0.1; sys_platform == 'linux'