Update ORT_API_VERSION

Merged
ED
9mo ago
+41-3

Description

Update ORT_API_VERSION to 25. The version has already been updated to 1.25.0.

Update instructions in Versioning.md.

Add a unit test to check that ORT_API_VERSION is equal to the second component of the version.

Motivation and Context

Update ORT_API_VERSION following version update.