[llvm] [CI][Github] Version pin packages in windows container (PR #148319)

[Aiden Grossman via llvm-commits]

https://github.com/boomanaiden154 updated https://github.com/llvm/llvm-project/pull/148319

>From 4df379e57a311cfbf4601e4152ac3cb50e3c6509 Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Sat, 12 Jul 2025 00:06:59 +0000
Subject: [PATCH 1/2] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20ch?=
 =?UTF-8?q?anges=20to=20main=20this=20commit=20is=20based=20on?=
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Created using spr 1.3.4

[skip ci]
---
 .github/workflows/build-ci-container-windows.yml            | 6 +++---
 .../containers/github-action-ci-windows/Dockerfile          | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build-ci-container-windows.yml b/.github/workflows/build-ci-container-windows.yml
index 068cb58301080..59079f057d021 100644
--- a/.github/workflows/build-ci-container-windows.yml
+++ b/.github/workflows/build-ci-container-windows.yml
@@ -20,7 +20,7 @@ on:
 jobs:
   build-ci-container-windows:
     if: github.repository_owner == 'llvm'
-    runs-on: windows-2019
+    runs-on: windows-2022
     outputs:
       container-name: ${{ steps.vars.outputs.container-name }}
       container-name-tag: ${{ steps.vars.outputs.container-name-tag }}
@@ -34,7 +34,7 @@ jobs:
         id: vars
         run: |
           $tag = [int64](Get-Date -UFormat %s)
-          $container_name="ghcr.io/$env:GITHUB_REPOSITORY_OWNER/ci-windows-2019"
+          $container_name="ghcr.io/$env:GITHUB_REPOSITORY_OWNER/ci-windows-2022"
           echo "container-name=${container_name}" >> $env:GITHUB_OUTPUT
           echo "container-name-tag=${container_name}:${tag}" >> $env:GITHUB_OUTPUT
           echo "container-filename=ci-windows-${tag}.tar" >> $env:GITHUB_OUTPUT
@@ -58,7 +58,7 @@ jobs:
       - build-ci-container-windows
     permissions:
       packages: write
-    runs-on: windows-2019
+    runs-on: windows-2022
     env:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
diff --git a/.github/workflows/containers/github-action-ci-windows/Dockerfile b/.github/workflows/containers/github-action-ci-windows/Dockerfile
index c49b6b25ffb68..59ba5c2cebf97 100644
--- a/.github/workflows/containers/github-action-ci-windows/Dockerfile
+++ b/.github/workflows/containers/github-action-ci-windows/Dockerfile
@@ -1,6 +1,6 @@
 # Agent image for LLVM org cluster.
 # .net 4.8 is required by chocolately package manager.
-FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2019
+FROM mcr.microsoft.com/dotnet/framework/sdk:4.8-windowsservercore-ltsc2022
 
 # Restore the default Windows shell for correct batch processing.
 SHELL ["cmd", "/S", "/C"]

>From af165870e163f14c31c96a37b1718df735f14472 Mon Sep 17 00:00:00 2001
From: Aiden Grossman <aidengrossman at google.com>
Date: Mon, 14 Jul 2025 16:08:35 +0000
Subject: [PATCH 2/2] feedback

Created using spr 1.3.4
---
 .../workflows/containers/github-action-ci-windows/Dockerfile   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/containers/github-action-ci-windows/Dockerfile b/.github/workflows/containers/github-action-ci-windows/Dockerfile
index f829d4e900217..b909d14b4eeeb 100644
--- a/.github/workflows/containers/github-action-ci-windows/Dockerfile
+++ b/.github/workflows/containers/github-action-ci-windows/Dockerfile
@@ -42,6 +42,9 @@ RUN regsvr32 /S "C:\BuildTools\DIA SDK\bin\amd64\msdia140.dll" & \
 # Pin an older version of Python; the current Python 3.10 fails when
 # doing "pip install" for the other dependencies, as it fails to find libxml
 # while compiling some package.
+# We version pin the other packages as well to ensure the container build is as
+# reproducible as possible to prevent issues when upgrading only part of the
+# container.
 RUN choco install -y ninja --version 1.13.1 && \
     choco install -y git --version 2.50.1 && \
     choco install -y sccache --version 0.10.0 && \