increase resources runner (and temporarly remove tests)

Author: luisas

.github/workflows/nf-test.yml

@@ -63,7 +63,7 @@ jobs:
     if: ${{ needs.nf-test-changes.outputs.total_shards != '0' }}
     runs-on: # use self-hosted runners
       - runs-on=${{ github.run_id }}-nf-test
-      - runner=8cpu-linux-x64
+      - runner=16cpu-linux-x64
     strategy:
       fail-fast: false
       matrix: