Use env vars on docs-release env to inject public params in workflow. (#243)

Author: badmonster0

.github/workflows/docs.yml

@@ -53,6 +53,7 @@ jobs:
     needs: [deploy-precheck]
     if: ${{ needs.deploy-precheck.outputs.gh-deploy-key == 'true' }}
     runs-on: ubuntu-latest
+    environment: docs-release
     steps:
       - uses: actions/checkout@v4
         with:
@@ -74,8 +75,6 @@ jobs:
         env:
           USE_SSH: true
         run: |
-          export COCOINDEX_DOCS_POSTHOG_API_KEY=${{ secrets.COCOINDEX_DOCS_POSTHOG_API_KEY }}
-          export COCOINDEX_DOCS_MIXPANEL_API_KEY=${{ secrets.COCOINDEX_DOCS_MIXPANEL_API_KEY }}
           git config --global user.email "[email protected]"
           git config --global user.name "CocoIndex"
           yarn install --frozen-lockfile