ci: constrain LinearSolve for cache benchmark

Author: bernalde

Project.toml

@@ -5,10 +5,12 @@ version = "0.1.0"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+LinearSolve = "7ed4a6bd-45f5-4d41-b270-4a48e9bafcae"
 QUBODrivers = "a3f166f7-2cd3-47b6-9e1e-6fbfe0449eb0"
 QuantumAnnealing = "4832667a-bab9-40a8-88f6-be9efce3ea89"
 
 [compat]
+LinearSolve = "=3.82.0"
 QUBODrivers = "0.5"
 QuantumAnnealing = "0.2"
 julia = "1.10"