Set different cache versions in GHA (#403)

Author: Bisaloo

.github/workflows/lint.yaml

@@ -30,6 +30,7 @@ jobs:
         with:
           extra-packages: any::lintr, any::styler, local::.
           needs: lint
+          cache-version: 2
 
       - name: Lint
         run: lintr::lint_package()

.github/workflows/pkgdown.yaml

@@ -39,6 +39,7 @@ jobs:
         with:
           extra-packages: local::.
           needs: website
+          cache-version: 2
 
       - name: Build site
         run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)