chore: update website deploy workflow

[aramase]

Signed-off-by: Anish Ramasekar anish.ramasekar@gmail.com

Reason for Change:

part of #615

• Updates gh workflow to publish the docs to docs directory in gh-pages

Requirements

• squashed commits
• included documentation
• added unit tests and e2e tests (if applicable).

Issue Fixed:

Does this change contain code from or inspired by another project?

• Yes
• No

If "Yes," did you notify that project's maintainers and provide attribution?

Special Notes for Reviewers:
Validated here: https://aramase.github.io/secrets-store-csi-driver-provider-azure

[codecov-commenter]

Codecov Report

Merging #780 (2ee8a23) into master (e78f732) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #780   +/-   ##
=======================================
  Coverage   61.65%   61.65%           
=======================================
  Files           7        7           
  Lines         785      785           
=======================================
  Hits          484      484           
  Misses        267      267           
  Partials       34       34