Update all pipelines to node 20

The release pipelines should already be using this but the pr pipeline was on an old version

Author: mjbvz

azure-pipeline.nightly.yml

@@ -31,6 +31,8 @@ extends:
 
     l10nSourcePaths: ./src
 
+    nodeVersion: "20.x"
+
     buildSteps:
       - script: yarn install --frozen-lockfile --check-files
         displayName: Install dependencies

azure-pipeline.pr.yml

@@ -4,6 +4,11 @@ jobs:
     pool:
       vmImage: 'macos-13'
     steps:
+      - task: NodeTool@0
+        displayName: "Use Node.js 20"
+        inputs:
+          versionSpec: "20.x"
+
       - template: scripts/ci/common-setup.yml
 
       - script: yarn run compile

azure-pipeline.release.yml

@@ -28,6 +28,8 @@ extends:
 
     l10nSourcePaths: ./src
 
+    nodeVersion: "20.x"
+
     buildSteps:
       - script: yarn install --frozen-lockfile --check-files
         displayName: Install dependencies