Update Alpine version for Helix runs(#7905)

Co-authored-by: Justin Anderson <[email protected]>

Author: github-actions[bot]

eng/helix/Helix.proj

@@ -88,14 +88,14 @@
   <!-- Linux musl libc queues -->
   <ItemGroup Condition="$([MSBuild]::IsOSPlatform(Linux)) and $(PackageRid.Contains(musl))">
     <!-- linux-musl-arm64 -->
-    <HelixAvailableTargetQueue Include="ubuntu.2204.armarch$(QueueSuffix)@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.17-helix-arm64v8"
+    <HelixAvailableTargetQueue Include="ubuntu.2204.armarch$(QueueSuffix)@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.20-helix-arm64v8"
                                Condition="'$(HelixArchitecture)' == 'arm64'">
-      <TestRunName>Alpine 3.17 $(HelixArchitecture) $(HelixConfiguration)</TestRunName>
+      <TestRunName>Alpine 3.20 $(HelixArchitecture) $(HelixConfiguration)</TestRunName>
     </HelixAvailableTargetQueue>
     <!-- linux-musl-x64 -->
-    <HelixAvailableTargetQueue Include="ubuntu.2204.amd64$(QueueSuffix)@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.17-helix-amd64"
+    <HelixAvailableTargetQueue Include="ubuntu.2204.amd64$(QueueSuffix)@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.20-helix-amd64"
                                Condition="'$(HelixArchitecture)' == 'x64'">
-      <TestRunName>Alpine 3.17 $(HelixArchitecture) $(HelixConfiguration)</TestRunName>
+      <TestRunName>Alpine 3.20 $(HelixArchitecture) $(HelixConfiguration)</TestRunName>
     </HelixAvailableTargetQueue>
   </ItemGroup>