docs: fix provider example

[eliobischof]

Definition of Ready

• [ ] Short description of the feature/issue is added in the pr description
• [ ] PR is linked to the corresponding user story
• [ ] Acceptance criteria are met
• [ ] All open todos and follow ups are defined in a new ticket and justified
• [ ] Deviations from the acceptance criteria and design are agreed with the PO and documented.
• [ ] No debug or dead code
• [ ] My code has no repetitions
• [ ] All non-functional requirements are met
• [ ] The generic lifecycle acceptance test passes for affected resources.
• [ ] Examples are up-to-date and meaningful. The provider version is incremented.
• [ ] Docs are generated.
• [ ] Code is generated where possible.

[codecov[bot]]

Codecov Report

Merging #137 (d988232) into main (41799b4) will not change coverage. Report is 1 commits behind head on main. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #137   +/-   ##
=======================================
  Coverage   62.76%   62.76%           
=======================================
  Files         156      156           
  Lines       12368    12368           
=======================================
  Hits         7763     7763           
  Misses       3356     3356           
  Partials     1249     1249           

Flag	Coverage Δ
acceptance-tests	62.76% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.