rbs collection install

Author: sue445

rbs_collection.lock.yaml

@@ -25,6 +25,10 @@ gems:
     revision: 3da8055018aeb72066c98e745bcf1342ca826fc4
     remote: https://github.com/ruby/gem_rbs_collection.git
     repo_dir: gems
+- name: date
+  version: '0'
+  source:
+    type: stdlib
 - name: dbm
   version: '0'
   source:
@@ -117,6 +121,10 @@ gems:
   version: 0.5.0
   source:
     type: rubygems
+- name: stringio
+  version: '0'
+  source:
+    type: stdlib
 - name: tsort
   version: '0'
   source: