Fix corepack install (#188)

Author: jakebailey

Diff for: azure-pipelines-gitTests-template.yml

@@ -89,6 +89,7 @@ jobs:
       npm run build
       npm install -g yarn
       npm install -g pnpm
+      npm install -g corepack@latest
       export COREPACK_ENABLE_AUTO_PIN=0
       export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
       export COREPACK_ENABLE_STRICT=0

Diff for: azure-pipelines-userTests.yml

@@ -123,6 +123,7 @@ jobs:
       npm run build
       npm install -g yarn
       npm install -g pnpm
+      npm install -g corepack@latest
       export COREPACK_ENABLE_AUTO_PIN=0
       export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
       export COREPACK_ENABLE_STRICT=0