fix(ci): use repos list

.github/sync-repos.txt

@@ -0,0 +1,14 @@
+    phosphor-icons/core
+    phosphor-icons/figma
+    phosphor-icons/flutter
+    phosphor-icons/penpot
+    phosphor-icons/phosphor-elm
+    phosphor-icons/play
+    phosphor-icons/react
+    phosphor-icons/sketch
+    phosphor-icons/swift
+    phosphor-icons/theme
+    phosphor-icons/unplugin
+    phosphor-icons/vue
+    phosphor-icons/web
+    phosphor-icons/webcomponents

.github/workflows/sync-docs.yaml

@@ -13,30 +13,14 @@ concurrency:
   group: 'docs'
   cancel-in-progress: true
 
-env:
-  # List of target repositories to sync to
-  TARGET_REPOS: >-
-    phosphor-icons/core
-    phosphor-icons/figma
-    phosphor-icons/flutter
-    phosphor-icons/penpot
-    phosphor-icons/phosphor-elm
-    phosphor-icons/play
-    phosphor-icons/react
-    phosphor-icons/sketch
-    phosphor-icons/swift
-    phosphor-icons/theme
-    phosphor-icons/unplugin
-    phosphor-icons/vue
-    phosphor-icons/web
-    phosphor-icons/webcomponents
-
 jobs:
   sync-docs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          path: source-repo
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
@@ -49,12 +33,20 @@ jobs:
         with:
           node-version: 20
           cache: 'pnpm'
+          cache-dependency-path: source-repo/pnpm-lock.json
+
+      - name: Read repository list
+        id: repo-list
+        run: |
+          echo "repos<<EOF" >> $GITHUB_OUTPUT
+          cat source-repo/.github/sync-repos.txt >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Sync to target repositories
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          echo "$TARGET_REPOS" | while read repo; do
+          for repo in ${{ steps.repo-list.outputs.repos }}; do
             echo "Syncing to $repo"
             # Clone target repository
             gh repo clone $repo target-repo