ci(preview_docs): Update preview server credentials

Author: radimkarnis

.gitlab-ci.yml

@@ -551,11 +551,11 @@ deploy_docs_preview:
   variables:
     TYPE: "preview"
     DOCS_BUILD_DIR: "${CI_PROJECT_DIR}/docs/_build/"
-    DOCS_DEPLOY_PRIVATEKEY: "$DOCS_DEPLOY_KEY"
-    DOCS_DEPLOY_SERVER: "$DOCS_SERVER"
-    DOCS_DEPLOY_SERVER_USER: "$DOCS_SERVER_USER"
-    DOCS_DEPLOY_PATH: "$DOCS_PATH"
-    DOCS_DEPLOY_URL_BASE: "https://$DOCS_PREVIEW_SERVER_URL/docs/esptool"
+    DOCS_DEPLOY_PRIVATEKEY: "$DOCS_PREVIEW_DEPLOY_KEY"
+    DOCS_DEPLOY_SERVER: "$DOCS_PREVIEW_SERVER"
+    DOCS_DEPLOY_SERVER_USER: "$DOCS_PREVIEW_SERVER_USER"
+    DOCS_DEPLOY_PATH: "$DOCS_PREVIEW_PATH"
+    DOCS_DEPLOY_URL_BASE: "$DOCS_PREVIEW_URL_BASE"
 
 deploy_docs_production:
   extends: