Add version to Principles for Package Repository Security.

Also add link to give feedback to v0.2.

Signed-off-by: Zach Steindler <[email protected]>

Author: steiza

docs/principles-for-package-repository-security.md

@@ -1,6 +1,7 @@
 # Principles for Package Repository Security
 
 Authors: [Jack Cable (CISA)](https://github.com/cablej), [Zach Steindler](https://github.com/steiza)
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 Last updated: Feb 2024
 
 ## Background
@@ -13,6 +14,8 @@ We include the below taxonomy because not all security advice applies to all pac
 
 The roadmap of security capabilities can then be used by package repositories to assess gaps, put together fundable improvement lists ([like Python Packaging WG](https://github.com/psf/fundable-packaging-improvements/blob/master/FUNDABLES.md)), or write specific grant proposals that reference this guidance.
 
+This is v0.1 of this document. You can give feedback for v0.2 at https://github.com/ossf/wg-securing-software-repos/pull/38.
+
 ## Taxonomy of Package Repositories
 
 Security capabilities will differ based on the services that the package repository offers. For instance, if the package repository has user accounts, it will need to enforce authentication securely. In this section, we lay out the various relevant aspects of package repositories.