chore: Pin node.js v22 to v22.4.1 in CI (#8393)

This should work around nodejs/node#53902 / npm/cli#7657 et al.

Author: cpcallen

.github/workflows/build.yml

@@ -18,7 +18,8 @@ jobs:
         # TODO (#2114): re-enable osx build.
         # os: [ubuntu-latest, macos-latest]
         os: [ubuntu-latest]
-        node-version: [18.x, 20.x, 22.x]
+        # TODO(#8392): unpin v22 once npm issue fixed.
+        node-version: [18.x, 20.x, 22.4.1]
         # See supported Node.js release schedule at
         # https://nodejs.org/en/about/releases/