[web] THM point heat source fix link

Link to the project file on Gitlba was incorrect in the article dicussing backmark "Consolidation around a point heat source". The file name was changed. Now the link is update accordingly.

[web] THM point heat source fix link
45cdaac4 · Feliks Kiszkurno · Lars Bilke · f626173f · 45cdaac4
Verified Commit 45cdaac4 authored 3 years ago by Feliks Kiszkurno Committed by Lars Bilke 3 years ago
--- a/web/content/docs/benchmarks/thermo-hydro-mechanics/consolidation_pointheatsource.md
+++ b/web/content/docs/benchmarks/thermo-hydro-mechanics/consolidation_pointheatsource.md
 +++
-project = "ThermoHydroMechanics/Linear/Point_injection/square_1e2.prj"
+project = "ThermoHydroMechanics/Linear/Point_injection/pointheatsource_quadratic-mesh.prj"
 author = "Jörg Buchwald"
 date = "2019-08-05T12:39:58+01:00"