…202.3 (#8237)

[main] Update dependencies from dotnet/arcade

…203.6 (#8240)

[main] Update dependencies from dotnet/arcade

…11202.2 (#8242)

[main] Update dependencies from dotnet/xharness

…206.6 (#8246)

[main] Update dependencies from dotnet/arcade

* Add an entry for Raspbian (ARMv6)

* Add support for Keyring overrides.

debootstrap will try to authenticate Debian-based repos against a locally
installed Debian archive keyring, or Ubuntu-based repos against a locally
installed Ubuntu archive keyring. If there's no keyring packages installed
(as is the case in our CI) then the repos are blindly accepted without
auth. However, if you have a keyring installed and use a "weird" repo
which doesn't work with the expected default keyring (e.g. out of the box
it'll try to authenticate the Raspbery Pi OS repo against the Debian
keyring file) it fails.

So, for our Rasbian case, a) specify the path to the known-good Raspbian
archive keyring file and b) add a check where if a keyring is specified
but does not exist, drop it. This allows building the Raspbian rootfs
both locally on systems with debian-archive-keyring and in CI with no
keyrings available.

We should consider forcing keyring validation in general though, for
better build integrity as a whole.

* Bump to Raspbian 10, not 9

* Move common parts of sdl templates to additional templates

SDL Validation is done in both the repos and the staging/validaiton pipelines. Today, we have a large amount of the sdl job template duplicated for the staging/validation pipelines because we need to use different sources/we don't need all the artifact downloading (and if we did, we would want to get the artifacts from a different place). This duplication leads to issues like #8243 (among others), where versions changed in arcade, but they weren't properly migrated to dotnet-release, and the validation pipeline started failing.

This change moves the duplicated steps to a steps template, and the duplicated variables to a variables template, so we can more easily share between these repos/pipelines.

* Fix typo

…208.1 (#8249)

[main] Update dependencies from dotnet/arcade

In dotnet/xharness#782 we introduced a the android adb command and removed android state --adb so we now need to use that to call ADB