Update pkgdown.yaml of accessibility

.github/workflows/pkgdown.yaml

@@ -2,56 +2,27 @@ on:
   push:
     branches:
       - main
-    tags:
-      -'*'
 
 name: pkgdown
 
 jobs:
   pkgdown:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     env:
-      RSPM: https://packagemanager.rstudio.com/cran/__linux__/bionic/latest
+      RSPM: https://packagemanager.rstudio.com/cran/__linux__/focal/latest
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
       - uses: actions/checkout@v2
 
-      - uses: r-lib/actions/setup-r@v1
-        id: install-r
+      - uses: r-lib/actions/setup-pandoc@v2
 
-      - uses: r-lib/actions/setup-pandoc@v1
+      - uses: r-lib/actions/setup-r@v2
 
-      - name: Install pak and query dependencies
-        run: |
-          install.packages("pak", repos = "https://r-lib.github.io/p/pak/dev/")
-          saveRDS(pak::pkg_deps("local::.", dependencies = TRUE), ".github/r-depends.rds")
-        shell: Rscript {0}
-
-      - name: Restore R package cache
-        uses: actions/cache@v2
+      - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          path: |
-            ${{ env.R_LIBS_USER }}/*
-            !${{ env.R_LIBS_USER }}/pak
-          key: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('.github/r-depends.rds') }}
-          restore-keys: ubuntu-18.04-${{ steps.install-r.outputs.installed-r-version }}-1-
-
-      - name: Install system dependencies
-        if: runner.os == 'Linux'
-        run: |
-          pak::local_system_requirements(execute = TRUE)
-          pak::pkg_system_requirements("pkgdown", execute = TRUE)
-        shell: Rscript {0}
-
-      - name: Install dependencies
-        run: |
-          pak::local_install_dev_deps(upgrade = TRUE)
-          pak::pkg_install("pkgdown")
-        shell: Rscript {0}
-
-      - name: Install package
-        run: R CMD INSTALL .
+          extra-packages: any::pkgdown, local::.
+          needs: website
 
       - name: Build and deploy pkgdown site
         run: |