Also set this in GHA to catch immediately

Author: MichaelChirico

.github/workflows/R-CMD-check.yaml

@@ -36,6 +36,7 @@ jobs:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RSPM: ${{ matrix.config.rspm }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      _R_CHECK_RD_CHECKRD_MINLEVEL_: -Inf
 
     steps:
       - uses: actions/checkout@v4