Update Ubuntu container versions (#105062)

Author: richlander

eng/pipelines/libraries/helix-queues-setup.yml

@@ -171,15 +171,15 @@ jobs:
 
     # WASI
     - ${{ if eq(parameters.platform, 'wasi_wasm') }}:
-      - (Ubuntu.1804.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-wasm-amd64
+      - (Ubuntu.2004.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-20.04-helix-wasm-amd64
 
     # Browser WebAssembly
     - ${{ if eq(parameters.platform, 'browser_wasm') }}:
-      - (Ubuntu.1804.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-webassembly
+      - (Ubuntu.2204.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
 
     # Browser WebAssembly Firefox
     - ${{ if eq(parameters.platform, 'browser_wasm_firefox') }}:
-      - (Ubuntu.1804.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-webassembly
+      - (Ubuntu.2204.Amd64)[email protected]/dotnet-buildtools/prereqs:ubuntu-22.04-helix-webassembly
 
     # Browser WebAssembly windows
     - ${{ if in(parameters.platform, 'browser_wasm_win', 'wasi_wasm_win') }}: