Add dimensions param to text2vec_azure_openai

[tsmith023]

Closes #1445

[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Infrastructure as Code	0   0   0   0	View in Orca
Passed	SAST	0   0   0   0	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.96%. Comparing base (92588ed) to head (945740c).
Report is 48 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1508      +/-   ##
==========================================
- Coverage   90.12%   89.96%   -0.16%     
==========================================
  Files         175      182       +7     
  Lines       15055    15284     +229     
==========================================
+ Hits        13568    13751     +183     
- Misses       1487     1533      +46     

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[weaviate-git-bot]

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