fix: periodic builds not running (#3433)

Author: fmenezes

build/ci/evergreen.yml

@@ -2034,13 +2034,13 @@ buildvariants:
       - name: ".coverage"
 patch_aliases:
   - alias: "localdev"
-    variant_tags: ["localdev cron"]
+    variant_tags: [".localdev .cron"]
     task: ".*"
   - alias: "packer"
-    variant_tags: ["packer cron"]
+    variant_tags: [".packer .cron"]
     task: ".*"
   - alias: "cleanup"
-    variant_tags: ["cleanup cron"]
+    variant_tags: [".cleanup .cron"]
     task: ".*"
 github_pr_aliases:
   - variant: "code_health"