chore(deps): update dependency ubuntu to v22 (#48)

Co-authored-by: Renovate GitHub Bot <[email protected]>

Author: huxuan

.github/workflows/readthedocs-preview.yml

@@ -4,7 +4,7 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
 jobs:
   documentation-links:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: readthedocs/actions/preview@cc0920454cf03ca8a3fbd3cbaa2ce2e509e70636 # v1.2
         with:

template/[% if repo_host_type == 'github.com' %].github[% endif %]/workflows/readthedocs-preview.yml.jinja

@@ -4,7 +4,7 @@ concurrency:
   group: {{ '${{ github.workflow }}-${{ github.ref }}' }}
 jobs:
   documentation-links:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: readthedocs/actions/preview@cc0920454cf03ca8a3fbd3cbaa2ce2e509e70636 # v1.2
         with: