benchmark cpu: add some more compression benchmarks

src/borg/archiver.py

@@ -632,6 +632,9 @@ class Archiver:
             'lz4',
             'zstd,1',
             'zstd,3',
+            'zstd,5',
+            'zstd,10',
+            'zstd,16',
             'zstd,22',
             'zlib,0',
             'zlib,6',