Bump actions/cache from 2.1.7 to 3 apache#97

Author: garydgregory

src/changes/changes.xml

@@ -25,6 +25,9 @@
       <action type="fix" dev="ggregory" due-to="Gary Gregory">
         Bump spotbugs from 4.5.3 to 4.6.0 #96
       </action>
+      <action type="fix" dev="ggregory" due-to="Dependabot">
+        Bump actions/cache from 2.1.7 to 3 #97.
+      </action>
     </release>
     <release version="1.5.0" date="10-23-2021" description="New features and bug fixes (Java 7).">
       <!-- FIX -->