feat(ci): add step to derive SHAs for nx affected commands

Author: CSenshi

.github/workflows/ci.yml

@@ -42,6 +42,9 @@ jobs:
 
       - run: pnpm install --frozen-lockfile
 
+      - name: Derive appropriate SHAs for base and head for `nx affected` commands
+        uses: nrwl/nx-set-shas@v4
+
       # Prepend any command with "nx-cloud record --" to record its logs to Nx Cloud
       # - run: pnpm exec nx-cloud record -- echo Hello World
       - run: pnpm exec nx affected -t lint test build