ci: updates for the latest r-lib/actions

Author: eitsupi

.github/workflows/release-lib.yml

@@ -81,8 +81,7 @@ jobs:
       - uses: r-lib/actions/setup-r-dependencies@v2
         if: runner.os != 'Windows'
         with:
-          # TODO: uncomment after <https://github.com/r-lib/actions/pull/961>
-          # dependencies: 'FALSE'
+          dependencies: 'FALSE'
           extra-packages: any::pkgload
 
       - name: build lib
@@ -181,9 +180,8 @@ jobs:
           Ncpus: "2"
 
       - uses: r-lib/actions/setup-r-dependencies@v2
-        # TODO: uncomment after <https://github.com/r-lib/actions/pull/961>
-        # dependencies: 'FALSE'
         with:
+          dependencies: 'FALSE'
           extra-packages: any::pkgload, any::testthat
 
       - name: R test