MFC v4.8.3

What's Changed

• IBM Fix by @haochey in #398
• Update documentation by @lee-hyeoksu in #402
• Update tickets by @sbryngelson in #403
• IBM Fix on Non-uniform Initial Condition by @haochey in #404
• fix hipfort versioning off of develop HEAD by @sbryngelson in #406
• MFCInputFile refactor & input file-defined tests by @henryleberre in #410
• -1.2k LOC in s_mpi_sendrecv_variables_buffers by @henryleberre in #409
• Fix Frontier performance regression by @wilfonba in #413
• IB-DB Treatment by @haochey in #407
• Fix building docs (case.fpp include error) #417 by @henryleberre in #418
• Silo: Reference official LLNL/Silo repository by @henryleberre in #422
• Fix Benchmarking by @wilfonba in #423
• new cpu phoenix modules by @sbryngelson in #427
• fix broken viz. docs link from expired box link by @sbryngelson in #429
• Modify Templating to Work with Omniperf and Rocprof by @wilfonba in #421
• Remove grid stretch parameters from simulation inputs by @haochey in #430

Full Changelog: v4.8.2...v4.8.3