Disable Composer lockfile usage

[simPod]

Disables Composer lockfile usage so dependency resolution is not pinned by a local lockfile.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.20%. Comparing base (c3b05d1) to head (5964e74).
⚠️ Report is 2 commits behind head on 7.0.x.

Additional details and impacted files

@@           Coverage Diff           @@
##            7.0.x     #186   +/-   ##
=======================================
  Coverage   94.20%   94.20%           
=======================================
  Files           3        3           
  Lines         259      259           
=======================================
  Hits          244      244           
  Misses         15       15           

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