Filesystem is not required when reading from URL and Data

[maysunfaisal]

Signed-off-by: Maysun J Faisal maysunaneek@gmail.com

What does this PR do?:

Updated the method param to a nil, because a Filesystem is not required to be passed in if the src is URL or Data

Which issue(s) this PR fixes:

N/A, but suggested in review here openshift/console#12000 (comment)

PR acceptance criteria:

Testing and documentation do not need to be complete in order for this PR to be approved. We just need to ensure tracking issues are opened.

• Open new test/doc issues under the devfile/api repo
• Check each criteria if:
• There is a separate tracking issue. Add the issue link under the criteria
  or
• test/doc updates are made as part of this PR
• If unchecked, explain why it's not needed

• Unit/Functional tests

• QE Integration test

• Documentation

• Client Impact

• Gosec scans

How to test changes / Special notes to the reviewer:

Tests updated and should run successfully

[yangcao77]

lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: maysunfaisal, yangcao77

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[codecov]

Codecov Report

Base: 58.20% // Head: 58.24% // Increases project coverage by +0.03% 🎉

Coverage data is based on head (a05b6f3) compared to base (8b432ca).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #149      +/-   ##
==========================================
+ Coverage   58.20%   58.24%   +0.03%     
==========================================
  Files          35       35              
  Lines        3965     3968       +3     
==========================================
+ Hits         2308     2311       +3     
  Misses       1518     1518              
  Partials      139      139              

Impacted Files	Coverage Δ
pkg/devfile/parser/reader.go	91.78% <100.00%> (+0.35%)	⬆️

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