try a different name for my github pat on github

Author: sckott

.github/workflows/R-check.yaml

@@ -21,7 +21,7 @@ jobs:
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       CRAN: ${{ matrix.config.rspm }}
-      GITHUB_PAT: ${{secrets.GITHUB_PAT}}
+      GITHUB_PAT: ${{secrets.MY_GITHUB_PAT}}
 
     steps:
       - uses: actions/checkout@v2