Run package checksum tests as well

But don't fail, since most packages are missing the checksums still.
Once we have rebuilt everything in base we can treat errors there as fatal.

This shows us what is missing still..

.github/workflows/build.yml

@@ -120,6 +120,7 @@ jobs:
         run: |
           docker run msys2-base C:\msys64\usr\bin\bash.exe -lc "pacman --version"
           docker run msys2-base C:\msys64\usr\bin\bash.exe -lc "pacman -Qkv"
+          docker run msys2-base C:\msys64\usr\bin\bash.exe -lc "pacman -Qkk || true"
           docker run msys2-base C:\msys64\usr\bin\bash.exe -lc "pacman -Syy"
           docker run msys2-base C:\msys64\usr\bin\bash.exe -lc "pacman -S --noconfirm git"
 
@@ -155,6 +156,7 @@ jobs:
         run: |
           C:\msys2-install-test\msys64\usr\bin\bash.exe -lc "pacman --version"
           C:\msys2-install-test\msys64\usr\bin\bash.exe -lc "pacman -Qkv"
+          C:\msys2-install-test\msys64\usr\bin\bash.exe -lc "pacman -Qkk || true"
           C:\msys2-install-test\msys64\usr\bin\bash.exe -lc "pacman -Syy"
           C:\msys2-install-test\msys64\usr\bin\bash.exe -lc "pacman -S --noconfirm git"