Containerd Project Security Self-Assessment - Security Pals (#1202)

* Bump postcss and autoprefixer in /website/themes/docsy/userguide (#1118)

Bumps [postcss](https://github.com/postcss/postcss) to 8.4.31 and updates ancestor dependency [autoprefixer](https://github.com/postcss/autoprefixer). These dependencies need to be updated together.

Updates `postcss` from 7.0.39 to 8.4.31
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@7.0.39...8.4.31)

Updates `autoprefixer` from 9.5.0 to 10.4.16
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@9.5.0...10.4.16)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
- dependency-name: autoprefixer
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Nate-Smithline <[email protected]>

* Bump postcss from 8.4.20 to 8.4.31 in /website (#1120)

Signed-off-by: Nate-Smithline <[email protected]>

* Created Self-Assessment of Containerd Project

Signed-off-by: Nate-Smithline <[email protected]>
Co-authored-by: Vivek Radhakrishnan <[email protected]>
Co-authored-by: Swati Baleri <[email protected]>
Co-authored-by: Sunny Li <[email protected]>
Signed-off-by: Nate-Smithline <[email protected]>

* Removed template text and added more information for related vendors

Signed-off-by: nomnomninja <[email protected]>
Signed-off-by: Nate-Smithline <[email protected]>

* fixed first comment and added more details on who authored the doc

Signed-off-by: Nate-Smithline <[email protected]>

* Re-added the changes in actor section

Signed-off-by: Sunny Li <[email protected]>

* Fixed all changes from Andrew, aka sublimino, thank you

Signed-off-by: Nate-Smithline <[email protected]>

* Fixed all changes from Andrew, aka sublimino, thank you

Signed-off-by: Nate-Smithline <[email protected]>

* Update Containerd/self-assessment.md

Co-authored-by: torinvdb <[email protected]>
Signed-off-by: Raga <[email protected]>

* Update Containerd/self-assessment.md

Co-authored-by: torinvdb <[email protected]>
Signed-off-by: Raga <[email protected]>

* Corrected file location

Signed-off-by: Eddie Knight <[email protected]>

---------

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Nate-Smithline <[email protected]>
Signed-off-by: nomnomninja <[email protected]>
Signed-off-by: Sunny Li <[email protected]>
Signed-off-by: Raga <[email protected]>
Signed-off-by: Eddie Knight <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nate-Smithline <[email protected]>
Co-authored-by: Swati Baleri <[email protected]>
Co-authored-by: Sunny Li <[email protected]>
Co-authored-by: nomnomninja <[email protected]>
Co-authored-by: Sunny Li <[email protected]>
Co-authored-by: Raga <[email protected]>
Co-authored-by: torinvdb <[email protected]>
Co-authored-by: Justin Cappos <[email protected]>
Co-authored-by: Eddie Knight <[email protected]>