Update release notes and version for 3.1.3 (#2612)

Update version and release notes for the next feature release, Mesa 3.1.3.

Update release notes and version for 3.1.2 (#2594)

Update version and release notes for the next feature release, Mesa 3.1.2.

Update release notes and version for 3.1.1 (#2550)

Update version and release notes for the next feature release, Mesa 3.1.1.

Update release notes and version for 3.1.0 (#2531)

Update version and release notes for the next feature release, Mesa 3.1.0.

Update __init__.py: Update version to 3.0.3

Update release notes and version for 3.0.2

History: Final release notes for 3.0.1

Two small additions to the release notes for 3.0.1.

Bump version to 3.0.0, remove 2.x references (#2469)

Bumps the Mesa version to 3.0.0, and updates or removes stable

Update __init__.py: Bump version to 3.0.0rc0

Update version and release notes for 3.0.0b2 (#2426)

Update version and release notes for the next pre-release, Mesa 3.0 beta 2.