Bump numpy from 1.20.3 to 1.21.0 in /deployment/Triton (#622)

Bumps [numpy](https://github.com/numpy/numpy) from 1.20.3 to 1.21.0.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/HOWTO_RELEASE.rst.txt)
- [Commits](numpy/numpy@v1.20.3...v1.21.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

deployment/Triton/requirements.txt

@@ -38,7 +38,7 @@
 
 monai==0.6.0
 nibabel==3.2.1
-numpy==1.20.3;
+numpy==1.21.0;
 packaging==20.9
 pyparsing==2.4.7
 torch