gha - re-create a renv cache

Author: cderv

.github/workflows/test-smokes.yml

@@ -126,9 +126,9 @@ jobs:
           path: |
             ${{ env.RENV_PATHS_ROOT }}
             renv/library
-          key: ${{ steps.get-version.outputs.os-version }}-${{ steps.get-version.outputs.r-version }}-renv-2-${{ hashFiles('tests/renv.lock') }}
+          key: ${{ steps.get-version.outputs.os-version }}-${{ steps.get-version.outputs.r-version }}-renv-1-${{ hashFiles('tests/renv.lock') }}
           restore-keys: |
-            ${{ steps.get-version.outputs.os-version }}-${{ steps.get-version.outputs.r-version }}-renv-2-
+            ${{ steps.get-version.outputs.os-version }}-${{ steps.get-version.outputs.r-version }}-renv-1-
 
       - name: Install missing system deps
         if: runner.os == 'Linux'