chore: Bump the nuget-dependencies group with 1 update

[dependabot]

Updated OpenAI from 2.13.0 to 2.14.0.

Release notes

Sourced from OpenAI's releases.

2.14.0

See full changelog: https://github.com/openai/openai-dotnet/blob/OpenAI_2.14.0/CHANGELOG.md

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[github-actions]

posthog-dotnet Compliance Report

Date: 2026-09-25T19:31:34.646837+00:00
Duration: 124990ms

✅ All Tests Passed!

47/47 tests passed

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Capture Tests

✅ 30/30 tests passed

View Details

Test	Status	Duration
Format Validation.Event Has Required Fields	✅	256ms
Format Validation.Event Has Uuid	✅	130ms
Format Validation.Event Has Lib Properties	✅	111ms
Format Validation.Distinct Id Is String	✅	117ms
Format Validation.Token Is Present	✅	110ms
Format Validation.Custom Properties Preserved	✅	119ms
Format Validation.Event Has Timestamp	✅	109ms
Format Validation.Non Utc Event Timestamp Is Converted To Utc	✅	122ms
Retry Behavior.Retries On 503	✅	8124ms
Retry Behavior.Does Not Retry On 400	✅	2118ms
Retry Behavior.Does Not Retry On 401	✅	2114ms
Retry Behavior.Respects Retry After Header	✅	8118ms
Retry Behavior.Implements Backoff	✅	22134ms
Retry Behavior.Retries On 500	✅	6116ms
Retry Behavior.Retries On 502	✅	6117ms
Retry Behavior.Retries On 504	✅	6117ms
Retry Behavior.Max Retries Respected	✅	22131ms
Deduplication.Generates Unique Uuids	✅	117ms
Deduplication.Preserves Uuid On Retry	✅	6116ms
Deduplication.Preserves Uuid And Timestamp On Retry	✅	13128ms
Deduplication.Preserves Uuid And Timestamp On Batch Retry	✅	6120ms
Deduplication.No Duplicate Events In Batch	✅	117ms
Deduplication.Different Events Have Different Uuids	✅	110ms
Compression.Sends Gzip When Enabled	✅	110ms
Batch Format.Uses Proper Batch Structure	✅	108ms
Batch Format.Flush With No Events Sends Nothing	✅	106ms
Batch Format.Multiple Events Batched Together	✅	115ms
Error Handling.Does Not Retry On 403	✅	2111ms
Error Handling.Does Not Retry On 413	✅	2112ms
Error Handling.Retries On 408	✅	6118ms

Feature_Flags Tests

✅ 17/17 tests passed

View Details

Test	Status	Duration
Request Payload.Request With Person Properties Device Id	✅	148ms
Request Payload.Flags Request Uses V2 Query Param	✅	108ms
Request Payload.Flags Request Hits Flags Path Not Decide	✅	109ms
Request Payload.Flags Request Omits Authorization Header	✅	110ms
Request Payload.Token In Flags Body Matches Init	✅	111ms
Request Payload.Groups Round Trip	✅	114ms
Request Payload.Groups Default To Empty Object	✅	109ms
Request Payload.Disable Geoip False Propagates As Geoip Disable False	✅	110ms
Request Payload.Disable Geoip Omitted Defaults To False	✅	110ms
Request Payload.Flag Keys To Evaluate Contains Only Requested Key	✅	112ms
Request Lifecycle.No Flags Request On Init Alone	✅	4ms
Request Lifecycle.No Flags Request On Normal Capture	✅	108ms
Request Lifecycle.Two Flag Calls Produce Two Remote Requests	✅	215ms
Request Lifecycle.Mock Response Value Is Returned To Caller	✅	113ms
Retry Behavior.Retries Flags On 502	✅	1114ms
Retry Behavior.Retries Flags On 504	✅	1112ms
Side Effect Events.Get Feature Flag Captures Feature Flag Called Event	✅	212ms