meson: add Windows CI

There are a couple of oddities here. We don't attempt to build e.g.
contrib, because that doesn't seem to work at the moment. Also notice
that each command is its own step. This happens because github actions
runs in powershell, which doesn't seem to let you abort on the first
failure.

Author: eli-schwartz

.github/workflows/dev-short-tests.yml

@@ -202,6 +202,27 @@ jobs:
           meson test -C builddir/ --print-errorlogs
           meson install -C builddir --destdir staging/
 
+  meson-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install packages
+        run: pip install --pre meson
+      - name: Initialize the MSVC dev command prompt
+        uses: ilammy/msvc-dev-cmd@674ff850cbd739c402260838fa45b7114f750570
+      - name: Configure with Meson
+        run: |
+          meson setup build/meson/ builddir/ -Dbin_tests=true
+      - name: Build with Meson
+        run: |
+          ninja -C builddir/
+      - name: Test with Meson
+        run: |
+          meson test -C builddir/ --print-errorlogs
+      - name: Install with Meson
+        run: |
+          meson install -C builddir --destdir staging/
+
   cmake-visual-2019:
     runs-on: windows-2019
     strategy: