fix(cache): use geometry column name instead of default value

[nlenglet-ign]

Ticket interne #2109
On utilise maintenant le nom de la colonne géométrie dans le graphe en entrée au lieu d'une valeur par défaut comme actuellement ('geom').

[coveralls]

Pull Request Test Coverage Report for Build 4449002170

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 95.961%

---

Totals
Change from base Build 4444960325:	0.0%
Covered Lines:	5935
Relevant Lines:	6137

---

💛 - Coveralls