Introduce batch.experimental() while server-side batching is in beta

[tsmith023]

Core PRs for reference:

• Experimental Server-side Batching weaviate#8761
• Beta Server-side Batching weaviate#9223

[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

❌ Patch coverage is 32.97645% with 313 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.56%. Comparing base (7acf5c0) to head (4934b7c).

Files with missing lines	Patch %	Lines
weaviate/collections/batch/base.py	15.43%	252 Missing ⚠️
weaviate/collections/classes/batch.py	32.14%	19 Missing ⚠️
weaviate/connect/v4.py	21.42%	11 Missing ⚠️
weaviate/collections/batch/batch_wrapper.py	77.41%	7 Missing ⚠️
weaviate/collections/batch/client.py	63.15%	7 Missing ⚠️
weaviate/collections/batch/collection.py	68.18%	7 Missing ⚠️
weaviate/collections/batch/grpc_batch.py	75.00%	4 Missing ⚠️
weaviate/exceptions.py	55.55%	4 Missing ⚠️
integration/test_batch_v4.py	95.45%	1 Missing ⚠️
weaviate/collections/collections/base.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1765      +/-   ##
==========================================
- Coverage   86.91%   85.56%   -1.35%     
==========================================
  Files         273      273              
  Lines       19089    19500     +411     
==========================================
+ Hits        16591    16685      +94     
- Misses       2498     2815     +317     

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[weaviate-git-bot]

Great to see you again! Thanks for the contribution.

beep boop - the Weaviate bot 👋🤖

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[orca-security-eu]

Orca Security Scan Summary

Status	Check	Issues by priority
Passed	Secrets	0   0   0   0	View in Orca

[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   1	View in Orca
Passed	Secrets	0   0   0   0	View in Orca
Passed	Vulnerabilities	0   0   0   0	View in Orca

🛡️ The following SAST misconfigurations have been detected

	NAME	FILE
	Weak random number generation may compromise cryptographic security	...ing/test_shutdown.py	View in code