ci: Use pnpm with an override to install build-tools in the publish stage

tools/pipelines/templates/include-publish-npm-package-deployment.yml

@@ -58,6 +58,33 @@ jobs:
           steps:
           - template: /tools/pipelines/templates/include-use-node-version.yml@self
 
+          # We can use this step to add overrides that might be necessary to allow for a correct
+          # installation of build-tools from the tarball artifacts produced by the build stage.
+          # Since this is a lockfile-less install (ideally we should figure out how to change that),
+          # npm overrides is our recourse when a dependency releases a new version that causes build-tools installation to break.
+          # Current overrides:
+          # - @rushstack/node-core-library 5.19.1: version 5.20.0 broke ESM module resolution in Node.
+          #   https://github.com/microsoft/rushstack/issues/5644
+          - task: Bash@3
+            name: CreatePackageJsonForOverrides
+            displayName: Create package.json with npm overrides
+            inputs:
+              targetType: 'inline'
+              workingDirectory: '$(Pipeline.Workspace)/buildTools-zip/tarballs'
+              script: |
+                set -eu -o pipefail
+                echo "Creating package.json with npm overrides"
+                cat > package.json << 'EOF'
+                {
+                  "name": "build-tools-install",
+                  "packageManager": "npm@8.3",
+                  "overrides": {
+                    "@rushstack/node-core-library": "5.19.1"
+                  }
+                }
+                EOF
+                cat package.json
+
           - task: Bash@3
             name: InstallBuildToolsFromTarball
             displayName: Install Fluid Build Tools from artifact tarball
@@ -68,6 +95,7 @@ jobs:
                 set -eu -o pipefail
                 echo "Listing files in directory: $(pwd)"
                 ls -la
+                npm --version
                 echo "Attempting install of build tools from build tools pipeline artifact tarball"
                 npm i -g ./*.tgz