feat: migrate to use pnpm and add sitemapPlugin (#4043)

* migrate off yarn to pnpm

add `vue` and `@vuepress/client` as peer-dependencies

stick with node 20

update @vuepress/plugin-docsearch dep with `npx vp-update`

add vuepress-plugin-sitemap2 plugin

Signed-off-by: Rui Chen <rui@chenrui.dev>

* replace yarn.lock with pnpm-lock.yaml for labeler

Signed-off-by: Rui Chen <rui@chenrui.dev>

* replace yarnDedupeHighest with pnpmDedupe for renovate

Signed-off-by: Rui Chen <rui@chenrui.dev>

* update website-lint job

Signed-off-by: Rui Chen <rui@chenrui.dev>

---------

Signed-off-by: Rui Chen <rui@chenrui.dev>

.github/labeler.yml

@@ -42,4 +42,4 @@ website:
 - changed-files:
   - any-glob-to-any-file: 'runatlantis.io/.vuepress/**/*'
   - any-glob-to-any-file: 'package.json'
-  - any-glob-to-any-file: 'yarn.lock'
+  - any-glob-to-any-file: 'pnpm-lock.yaml'

.github/renovate.json5

@@ -12,7 +12,7 @@
   postUpdateOptions: [
     "gomodTidy",
     "gomodUpdateImportPaths",
-    "yarnDedupeHighest",
+    "pnpmDedupe",
   ],
   // needed so e2e tests do not stomp over each other
   prHourlyLimit: 1,

.github/workflows/website.yml

@@ -33,7 +33,7 @@ jobs:
           filters: |
             src:
               - '**.js'
-              - 'yarn.lock'
+              - 'pnpm-lock.yaml'
               - 'package.json'
               - '.github/workflows/website.yml'
 
@@ -48,24 +48,23 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
+      - uses: wyvox/action-setup-pnpm@v3
         with:
-          node-version-file: .node-version
+          node-version: 20
 
       - name: run http-server
         env:
           # renovate: datasource=github-releases depName=raviqqe/muffet
           MUFFET_VERSION: 2.9.3
         run: |
-          npm install -g yarn
-
           # install raviqqe/muffet to check for broken links.
           curl -Ls https://github.com/raviqqe/muffet/releases/download/v${MUFFET_VERSION}/muffet_linux_amd64.tar.gz | tar -xz
 
-          # build the site
-          yarn && yarn website:build
+          # build site
+          pnpm install
+          pnpm website:build
 
-          # run http-server for muffet to check the links
+          # start http-server for integration testing
           npx http-server runatlantis.io/.vuepress/dist &
 
       - name: wait until server listened