{Build} CI - Windows Github Infra migration (facebookresearch#241)

Summary:
X-link: facebookresearch/vrs#202


Update GitHub runner image "windows-2022" due to the removal of "windows-2019" following GitHub migration.
- "GitHub: Windows Server 2019 has been retired" -> actions/runner-images#12045

Differential Revision: D77604363

Author: SeaOtocinclus

.github/workflows/build-and-test-pixi.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-13, macos-14, windows-2019] # macos-14 is macSilicon
+        os: [ubuntu-latest, macos-13, macos-14, windows-2022] # macos-14 is macSilicon
     steps:
       - name : Setup repo
         uses: actions/checkout@v4
@@ -43,7 +43,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-13, macos-14, windows-2019] # macos-14 is macSilicon
+        os: [ubuntu-latest, macos-13, macos-14, windows-2022] # macos-14 is macSilicon
     steps:
       - name : Setup repo
         uses: actions/checkout@v4