Add compat entries for stdlib dependencies

See
https://discourse.julialang.org/t/psa-compat-requirements-in-the-general-registry-are-changing/104958
for why this is necessary

Author: mhauru

Project.toml

@@ -68,13 +68,16 @@ Compat = "4.15.0"
 EllipticalSliceSampling = "0.5, 1, 2"
 ForwardDiff = "0.10.3"
 Libtask = "0.7, 0.8"
+LinearAlgebra = "1"
 LogDensityProblems = "2"
 LogDensityProblemsAD = "1.7.0"
 MCMCChains = "5, 6"
 NamedArrays = "0.9, 0.10"
 Optimization = "3"
 OptimizationOptimJL = "0.1, 0.2, 0.3"
 OrderedCollections = "1"
+Printf = "1"
+Random = "1"
 Optim = "1"
 Reexport = "0.2, 1"
 Requires = "0.5, 1.0"

test/Project.toml

@@ -49,6 +49,7 @@ DynamicPPL = "0.27"
 FiniteDifferences = "0.10.8, 0.11, 0.12"
 ForwardDiff = "0.10.12 - 0.10.32, 0.10"
 HypothesisTests = "0.11"
+LinearAlgebra = "1"
 LogDensityProblems = "2"
 LogDensityProblemsAD = "1.4"
 MCMCChains = "5, 6"
@@ -59,6 +60,8 @@ OptimizationBBO = "0.1, 0.2"
 OptimizationNLopt = "0.1, 0.2"
 OptimizationOptimJL = "0.1, 0.2, 0.3"
 PDMats = "0.10, 0.11"
+Pkg = "1"
+Random = "1"
 ReverseDiff = "1.4.2"
 SpecialFunctions = "0.10.3, 1, 2"
 StableRNGs = "1"