Announcing shaka-packager v2.5.1

[Joey Parrish]

Hi everyone,

We are pleased to announce the release of shaka-packager v2.5.1!  This is a bug-fix release with the following changes:

• Add support for MSVS 2017 and 2019 (#867, #955)
• Fix position of LA_URL in PlayReady headers (#961)
• Fix broken Dockerfile due to depot_tools update
• Fix shared_library builds on Windows (#318, #956, #957, #958)
• CI overhaul based on GitHub Actions (#336, #959)
• Fix doc formatting for dash_only and hls_only (#954)

Please see the CHANGELOG for a full list of changes.

Thanks to everyone who has contributed to Shaka Packager to make this release possible!

Enjoy!