Address review comments

- Stub process.platform/arch in the supported-platform test and loop
  over all supported pairs (including linux/arm64) so it no longer
  depends on the host
- Run the default queries in the Linux Arm64 PR check so the databases
  are finalized end-to-end

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: fb7e2d12-6620-4a67-9c1c-4e82f4a5e8d9

.github/workflows/__linux-arm64.yml

@@ -76,7 +76,6 @@ jobs:
         run: go build main.go
       - uses: ./../action/analyze
         with:
-          skip-queries: true
           upload-database: false
       - name: Assert databases exist
         run: |