add timer for mac os ntp update

.gitlab-ci.yml

@@ -88,6 +88,7 @@ R-Mac-tests:
     - "Mac"  
     - "R4"
   script:
+    - "sleep 120" # time for ntp update
     - "R CMD check --as-cran $(ls -rt *_* |tail -1)"
   artifacts:
     paths:
@@ -143,6 +144,7 @@ release-MacOS:
     - "Mac"  
     - "R4"
   script:
+    - "sleep 120" # time for ntp update
     - "R CMD INSTALL --build $(ls -rt *_*.tar.gz |tail -1)"
   artifacts:
     paths: