Release steps

[scharlton2]

Manual steps for 1.0.0-rc.1 -> 1.0.0-rc.2

1. Update About dialog
   date: $((Get-Date -UFormat '%m/%d/%Y (compiled %b %d %Y %T)'))
   version: 1.0.0-rc.1 -> 1.0.0 <- This is done by .\misc\set_versions.ps1 now (set $build to next build#)
   disclaimer: .\misc\about_disclaimer.ps1

2. Update CMakeLists.txt
   VERSION 1.0.0 <- This is done by .\misc\set_versions.ps1 now (set $build to next build#)

3. Update DISCLAIMER.md

4. Update README.md
   disclaimer: .\misc\about_disclaimer.ps1

5. Update code.json
   "version": "1.0.0",
   "status": "Production",
   "downloadURL": "https://github.com/MODFLOW-USGS/modelviewer-mf6/releases/tag/1.0.0",
   "disclaimerURL": "https://github.com/MODFLOW-USGS/modelviewer-mf6/blob/1.0.0/DISCLAIMER.md",
   "metadataLastUpdated": "2022-04-12"

6. Update About dialog and CMakeLists.txt
   .\misc\set_versions.ps1

7. Set DIST_DIR in build.yml
   DIST_DIR: mvmf6-1.0.0 # automate this later