Change VERSION to 2.20.0.dev0

[fheinecke]

Description

Updated VERSION.txt to 2.20.0.dev0

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refactoring

Changes

Please list the changes introduced in this PR:

• Updated VERSION.txt to 2.20.0.dev0

Checklist:

• I have read and followed the contributing guidelines
• The functionality is complete
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[greptile-apps]

Greptile Summary

Updates TransformerEngine’s shared development version from 2.19.0.dev0 to 2.20.0.dev0.

• Propagates the new version to core, PyTorch, and JAX package metadata through the existing shared version mechanism.

Confidence Score: 5/5

The PR appears safe to merge with no actionable defects identified.

The new development-version string is valid and continues to flow consistently through the repository’s shared package-version and dependency-pin mechanism.

Important Files Changed

Filename	Overview
build_tools/VERSION.txt	Advances the shared package version to a valid 2.20.0.dev0 development release identifier; no inconsistency was identified.

_{Reviews (1): Last reviewed commit: "Change VERSION to 2.20.0.dev0" | Re-trigger Greptile}