Fix stable Lightning version git pull in compat workflows

[vincentmr]

Before submitting

Please complete the following checklist when submitting a PR:

• All new features must include a unit test.
  If you've fixed a bug or added code that should be tested, add a test to the
  tests directory!

• All new functions and code must be clearly commented and documented.
  If you do make documentation changes, make sure that the docs build and
  render correctly by running make docs.

• Ensure that the test suite passes, by running make test.

• Add a new entry to the .github/CHANGELOG.md file, summarizing the
  change, and including a link back to the PR.

• Ensure that code is properly formatted by running make format.

When all the above are checked, delete everything above the dashed
line and fill in the pull request template.

---

Context:
The github actions fetch-tags option does not checkout all tags, which prevents checking out the stable Lightning copy.

Description of the Change:
Force fetch tags where needed.

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (8f744aa) 99.13% compared to head (0e1365e) 99.13%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #507   +/-   ##
=======================================
  Coverage   99.13%   99.13%           
=======================================
  Files         142      142           
  Lines       16798    16798           
=======================================
  Hits        16652    16652           
  Misses        146      146           

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[mlxd]

Quick n easy --- thanks @vincentmr

[AmintorDusko]

Thanks!