Fied julia package references.

docs/src/GeometricMachineLearning.bib

@@ -632,25 +632,28 @@ @article{greydanus2019hamiltonian
 @misc{churavy2020kernel,
   author = {Churavy, Valentin},
   title = {KernelAbstractions.jl},
-  url = {https://github.com/JuliaGPU/KernelAbstractions.jl},
+  howpublished = {\url{https://github.com/JuliaGPU/KernelAbstractions.jl}},
   version = {0.9.23},
-  date = {2024},
+  year = {2024},
+  note = {Used on August 14, 2024.}
 }
 
 @misc{besard2022one,
   author = {Besard, Tim},
   title = {oneAPI.jl},
-  url = {https://github.com/JuliaGPU/oneAPI.jl},
+  howpublished = {\url{https://github.com/JuliaGPU/oneAPI.jl}},
   version = {0.3.0},
-  date = {2022}
+  year = {2022},
+  note = {Used on August 14, 2024.}
 }
 
 @misc{besard2022metal,
   title = {Metal.jl},
   author = {Besard, Tim and Hawkins, Max},
-  url = {https://github.com/JuliaGPU/Metal.jl},
+  howpublished = {\url{https://github.com/JuliaGPU/Metal.jl}},
   version = {0.1.2},
-  date = {2022}
+  year = {2022},
+  note = {Used on August 14, 2024.}
 }
 
 @techreport{baker2019workshop,