Add compat workflows.

[vincentmr]

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---

Context:
SC-43411 requires compatibility tests between PennyLane and Lightning's most recent stable releases and development versions.

Description of the Change:
This PR adds compat-workflows calling the Linux and no-binary test workflows with lightning-version and pennylane-version inputs. These inputs are then used to switch between stable and latest versions.

Benefits:

Possible Drawbacks:

Related GitHub Issues:
PennyLaneAI/plugin-test-matrix#50

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (460aa5e) 99.13% compared to head (e8062ee) 99.13%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #498   +/-   ##
=======================================
  Coverage   99.13%   99.13%           
=======================================
  Files         142      142           
  Lines       16798    16798           
=======================================
  Hits        16652    16652           
  Misses        146      146           

Files Changed	Coverage Δ
pennylane_lightning/core/_version.py	100.00% <100.00%> (ø)

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[mlxd]

Just a few queries

[mlxd]

Thanks @vincentmr

[AmintorDusko]

Just a small suggestion. Thank you for that.