Bump actions/cache from v2 to v2.1.4 #202.

Author: Gary Gregory

src/changes/changes.xml

@@ -238,7 +238,10 @@ The <action> type attribute can be add,update,fix,remove.
       </action>
       <action dev="ggregory" type="update" due-to="Dependabot">
         Bump junit-pioneer from 1.2.0 to 1.3.0 #191.
-      </action>      
+      </action>
+      <action dev="ggregory" type="update" due-to="Dependabot">
+    	Bump actions/cache from v2 to v2.1.4 #202.
+      </action>
     </release>
     <!-- The release date is the date RC is cut -->
     <release version="2.8.0" date="2020-09-05" description="Java 8 required.">