Update README.md

[davidjeddy]

Replace PWD with correct pwd.

Incorrect:

$ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock:rw -v $(PWD):/tmp/lint:rw oxsecurity/megalinter:latest
PWD: command not found
Skipped setting git safe.directory DEFAULT_WORKSPACE:  ...
Setting git safe.directory default: /github/workspace ...
Setting git safe.directory to /tmp/lint ...
[MegaLinter init] ONE-SHOT RUN
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/runpy.py", line 196, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "/usr/local/lib/python3.10/runpy.py", line 86, in _run_code
    exec(code, run_globals)
  File "/megalinter/run.py", line 9, in <module>
    linter = megalinter.Megalinter({"cli": True})
  File "/megalinter/MegaLinter.py", line 56, in __init__
    self.workspace = self.get_workspace()
  File "/megalinter/MegaLinter.py", line 361, in get_workspace
    raise FileNotFoundError(
FileNotFoundError: [Context] Unable to find a workspace to lint 
DEFAULT_WORKSPACE: 
GITHUB_WORKSPACE:

Corrected

$ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock:rw -v $(pwd):/tmp/lint:rw oxsecurity/megalinter:latest
Skipped setting git safe.directory DEFAULT_WORKSPACE:  ...
Setting git safe.directory default: /github/workspace ...
Setting git safe.directory to /tmp/lint ...
[MegaLinter init] ONE-SHOT RUN
[config] Environment variables only (no config file found in /tmp/lint)
----------------------------------------------------------------------------------------------------
------------------------------------ MegaLinter, by OX Security ------------------------------------
----------------------------------------------------------------------------------------------------
 - Image Creation Date: 2023-01-07T10:05:11Z
 - Image Revision: 8fd433c
 - Image Version: v6
----------------------------------------------------------------------------------------------------
The MegaLinter documentation can be found at:
 - https://megalinter.io/latest
...

Fixes #

Fix reference to Linux built in fn().

Proposed Changes

1. Replace incorrect Linux builtin fn() invocation with correct reference

Readiness Checklist

Author/Contributor

• Add entry to the [CHANGELOG] - No functionality change, unneeded.
• If documentation is needed for this change, has that been included in this pull request

Reviewing Maintainer

• Label as breaking if this is a large fundamental change
• Label as either automation, bug, documentation, enhancement, infrastructure, or performance

[codecov-commenter]

Codecov Report

Merging #2258 (d807ddd) into main (601b540) will increase coverage by 0.02%.
The diff coverage is n/a.

❗ Current head d807ddd differs from pull request most recent head 3d831fa. Consider uploading reports for the commit 3d831fa to get more accurate results

@@            Coverage Diff             @@
##             main    #2258      +/-   ##
==========================================
+ Coverage   82.98%   83.00%   +0.02%     
==========================================
  Files         171      171              
  Lines        4502     4502              
==========================================
+ Hits         3736     3737       +1     
+ Misses        766      765       -1     

Impacted Files	Coverage Δ
megalinter/reporters/UpdatedSourcesReporter.py	89.74% <0.00%> (+2.56%)	⬆️

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[nvuillam]

Good catch, thank you for the PR :)