Bump vendored version of shellingham

Fix #5333

pipenv/vendor/shellingham/__init__.py

@@ -4,7 +4,7 @@ import os
 from ._core import ShellDetectionFailure
 
 
-__version__ = "1.4.0"
+__version__ = "1.5.0"
 
 
 def detect_shell(pid=None, max_depth=10):

pipenv/vendor/shellingham/_core.py

@@ -3,7 +3,7 @@ SHELL_NAMES = (
     | {"csh", "tcsh"}  # C.
     | {"ksh", "zsh", "fish"}  # Common alternatives.
     | {"cmd", "powershell", "pwsh"}  # Microsoft.
-    | {"elvish", "xonsh"}  # More exotic.
+    | {"elvish", "xonsh", "nu"}  # More exotic.
 )
 
 

pipenv/vendor/shellingham/posix/__init__.py

@@ -27,7 +27,7 @@ def _iter_process_args(mapping, pid, max_depth):
             proc = mapping[pid]
         except KeyError:  # We've reached the root process. Give up.
             break
-        if proc.args:  # Persumably the process should always have a name?
+        if proc.args:  # Presumably the process should always have a name?
             yield proc.args
         pid = proc.ppid  # Go up one level.
 

pipenv/vendor/shellingham/posix/proc.py

@@ -16,7 +16,7 @@ def detect_proc():
     """Detect /proc filesystem style.
 
     This checks the /proc/{pid} directory for possible formats. Returns one of
-    the followings as str:
+    the following as str:
 
     * `stat`: Linux-style, i.e. ``/proc/{pid}/stat``.
     * `status`: BSD-style, i.e. ``/proc/{pid}/status``.

pipenv/vendor/vendor.txt

@@ -19,7 +19,7 @@ pyparsing==3.0.9
 python-dotenv==0.19.0
 pythonfinder==1.3.1
 requirementslib==2.0.1
-shellingham==1.4.0
+shellingham==1.5.0
 six==1.16.0
 termcolor==1.1.0
 toml==0.10.2