fix: update GPU driver to 450.51.06 (#3814)

[Nishikoh]

Reason for Change:

The current NVIDIA driver version is 418 with Ubuntu 18.04 and the latest version from NVIDIA is 450. 418 doesn't support a lot of current frameworks, like pytorch. Also needed to support CUDA.

Issue Fixed:

fix #3814

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[welcome]

💖 Thanks for opening your first pull request! 💖 We use semantic commit messages to streamline the release process. Before your pull request can be merged, you should make sure your first commit and PR title start with a semantic prefix. Examples of commit messages with semantic prefixes: - fix: change azure disk cachingMode to ReadOnly - feat: make maximumLoadBalancerRuleCount configurable - docs: add note on AKS Engine and AKS relationship
Make sure to check out the developer guide for guidance on testing your change.

[ghost]

All CLA requirements met.

[CecileRobertMichon]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[codecov]

Codecov Report

Merging #3821 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3821   +/-   ##
=======================================
  Coverage   73.19%   73.19%           
=======================================
  Files         148      148           
  Lines       25394    25394           
=======================================
  Hits        18587    18587           
  Misses       5671     5671           
  Partials     1136     1136           

Impacted Files	Coverage Δ
pkg/engine/templates_generated.go	53.42% <ø> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 735f843...69681ce. Read the comment docs.

[jackfrancis]

Manually tested this using a "distro": "ubuntu-18.04" config on an N series pool, checked out O.K.

[CecileRobertMichon]

/lgtm

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: CecileRobertMichon, Nishikoh

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [CecileRobertMichon]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[welcome]

Congrats on merging your first pull request! 🎉🎉🎉

[jackfrancis]

Thank you @Nishikoh!

[jackfrancis]

cc @xuto2 this drivers version update is testing out O.K. for AKS Engine