Point rust-toolbox deps to enclone_ranger (#520)

* Point rust-toolbox crates at enclone_ranger.
* Check in compressed versions of supp regions.
* Update reference build call to use local/compressed supp_regions.fa files.

.github/workflows/test.yaml

@@ -74,7 +74,7 @@ jobs:
         run: >
           git rev-list --objects ${{github.event.pull_request.base.sha}}..
           | git cat-file --batch-check='%(objectname) %(objecttype) %(objectsize) %(rest)'
-          | awk '$2 == "blob" && $3 >= 1600000 { print substr($1, 1, 7), $3, $4; fail=1 } END { exit fail }'
+          | awk '$2 == "blob" && $3 >= 4194304 { print substr($1, 1, 7), $3, $4; fail=1 } END { exit fail }'
       - name: Remove the Cargo target directory
         if: github.ref == 'refs/heads/master'
         run: cargo clean