Update timestamps for datasets

Author: sethaxen

src/inference_data.jl

@@ -312,7 +312,7 @@ julia> idata_cat1.posterior
   :b eltype: Float64 dims: draw, chain size: 100×8
 ├────────────────────────────────────────────────── metadata ┤
   Dict{String, Any} with 1 entry:
-  "created_at" => "2024-03-11T14:10:48.434"
+  "created_at" => "2025-02-04T10:49:16.704"
 ```
 
 Alternatively, we can concatenate along a new `run` dimension, which will be created.
@@ -334,7 +334,7 @@ julia> idata_cat2.posterior
   :b eltype: Float64 dims: draw, chain, run size: 100×4×2
 ├──────────────────────────────────────────────────────────── metadata ┤
   Dict{String, Any} with 1 entry:
-  "created_at" => "2024-03-11T14:10:48.434"
+  "created_at" => "2025-02-04T10:49:16.704"
 ```
 
 We can also concatenate only a subset of groups and merge the rest, which is useful when
@@ -366,7 +366,7 @@ julia> idata_cat3.posterior
   :b eltype: Float64 dims: draw, chain, run size: 100×4×2
 ├──────────────────────────────────────────────────────────── metadata ┤
   Dict{String, Any} with 1 entry:
-  "created_at" => "2024-03-11T14:10:48.434"
+  "created_at" => "2025-02-04T10:49:16.704"
 
 julia> idata_cat3.observed_data
 ┌ 10-element Dataset ┐
@@ -376,7 +376,7 @@ julia> idata_cat3.observed_data
   :y eltype: Float64 dims: y_dim_1 size: 10
 ├────────────────────────────────────────────┴ metadata ┐
   Dict{String, Any} with 1 entry:
-  "created_at" => "2024-03-11T14:10:53.539"
+  "created_at" => "2025-02-04T10:49:16.71"
 ```
 """
 function Base.cat(data::InferenceData, others::InferenceData...; groups=keys(data), dims)