SLSA Feedback from OpenSSF

**Description**
Positioning SIG would like to source feedback from various OpenSSF working groups on SLSA.  Additionally, would like to partner with Best Practices/Education/End User WG to help advocate and educate the community on SLSA.

**Background**
From [June 14th Meeting](https://docs.google.com/document/d/1yguI9NEmEGM0OQvJi8E0nteo6fU3lxy-qpoq1DQtbhc/edit)

**Timeline**
TBD

