deps: bump shtab (#4337)

Depends on iterative/shtab#19
Fixes bash not completing filenames & dirs

Author: casperdcl

setup.py

@@ -79,7 +79,7 @@ def run(self):
     "tabulate>=0.8.7",
     "pygtrie==2.3.2",
     "dpath>=2.0.1,<3",
-    "shtab>=1.1.0,<2",
+    "shtab>=1.3.0,<2",
     "rich>=3.0.5",
 ]