Fix vpack clobbering and update to newer Windows container image (#1480)

* Update to newer Windows container image

* Pass newer host version to templates

* Stop clobbering compiler vpack contents

Remove references to stale winmd files to fix incremental builds (#1404)

The original attempt at a fix for this was too aggressive:
https://github.com/microsoft/cppwinrt/pull/1381/files

This fix is targeted specifically at removing references to stale winmd files that have yet to be copied from referenced projects (e.g., from a runtime component to an app).

Update build.yml for Azure Pipelines (#1384)

#1338 changed the NuGet version to a property, but didn't update the build.yml to do the same thing

Allow classic COM interfaces with get_self (#1314)

* Allow classic COM interfaces with get_self

Fixes #1312

* Fix mingw builds

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Co-authored-by: Kenny Kerr <[email protected]>

Update issue template to use `cpp` instead of `rust` (#1313)

Remove explicitly setting PreferredToolArchitecture, since VS 2022 ha…

…ndles this more comprehensively (#1304)

Add a clang-specific impl->projection conversion operator (#1274)

Workaround for false positive code analysis warning (#1269)

Partial GCC compatibility improvements (#1234)

Efficient way to format directly to hstring (#1207)