chore(main): release 3.1.0

:robot: I have created a release beep boop

add option for nomic-project-v2 (857e6c4)
allow arrow table for upload in map_text (2f0007a)
classifier example (#321) (1d350bd)
emb for client (25c5b5e)
img embed updates (31ab403)
map_data support for Nomic Embed Vision (#308) (e4a1c73)
nomic sagemaker vision (2bda64f)
notebook updates (4a1f888)
release please? (#328) (d0572d5)
run black & isort (00f5e48)
sagemaker client updates for batched image (#319) (6c3d91e)
task_type (cff0e2b)
update local neighborhood parameter name and make all default (eaba319)

allow indexed_field is none for image datasets with create_index (#315) (2d7d2da)
api naming consistency, version (8b9d37a)
assert image right type (469f44a)
bugs introduced after adding types (56d298e)
change file name (552ec75)
check format in nomic/ folder (d96ca3a)
dataset sidecar download - datum id sidecars are special (24e7d94)
don't use b64 encode (338a5f4)
fetch db-registered topic sidecars (df8a75a)
max image request (41c459d)
move indexed_field check earlier for image dataset (#320) (4b93268)
nullable parameter (f20f7c9)
outofbounds day (5f17f95)
outofbounds day (43da768)
parsing problem (0fdc178)
Path and Tuple type isssues (75f7767)
problems with pa.compute (1c3a8ef)
remove libcairo (033c894)
remove npm ci (#329) (9640ded)
remove pdb (f8d2050)
resizing logic bug (#306) (11ab3c5)
respect modality in create_index (#317) (fd3c108)
return model name, not str model (c9f9703)
spelling (d0a3ce5)
text mode truncation param (f6572ac)
topic label field default to indexed field if not supplied (#316) (8bc157d)
type issues after rebasing (12c1b08)
typing (8086591)
typing + resize from file (ef9703a)
update example (2681a66)
update min dim (35a491d)
use Optional (d4d5eb3)
wait for project log (9cacd4a)

update docs to make more clear that blobs are stored locally only (#318) (aa863ec)

This PR was generated with Release Please. See documentation.

:rocket:	This description was created by Ellipsis for commit ea643c17640ef7b6df9f245dc36b5cb21ef1aa23

Update to version 3.1.0 with new features, bug fixes, and documentation updates.

Key points:

Update version to 3.1.0 in .circleci/release/.release-please-manifest.json and setup.py
Add CHANGELOG.md to document new features, bug fixes, and documentation updates
New features include support for nomic-project-v2, arrow table upload in map_text, classifier example, and more
Bug fixes include handling of indexed_field for image datasets, API naming consistency, and more
Documentation updates to clarify local storage of blobs

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