(DO NOT MERGE) Run extra jobs in PR CI

Author: Zalathar

src/ci/github-actions/jobs.yml

@@ -98,6 +98,11 @@ pr:
     <<: *job-linux-16c
   - image: x86_64-gnu-tools
     <<: *job-linux-16c
+  - image: x86_64-msvc
+    env:
+      RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler
+      SCRIPT: make ci-msvc
+    <<: *job-windows-8c
 
 # Jobs that run when you perform a try build (@bors try)
 # These jobs automatically inherit envs.try, to avoid repeating