Bump actions/cache from v2.1.4 to v2.1.5

Bumps [actions/cache](https://github.com/actions/cache) from v2.1.4 to v2.1.5.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.4...1a9e2138d905efd099035b49d8b7a3888c653ca8)

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index d108bb7..65bdac0 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -32,7 +32,7 @@
         
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: actions/cache@v2.1.4
+    - uses: actions/cache@v2.1.5
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index ee31b12..5ce9cdf 100755
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -50,7 +50,7 @@
       <action type="update" dev="ggregory">Update commons.jacoco.version 0.8.5 to 0.8.6 (Fixes Java 15 builds).</action>
       <action type="update" dev="ggregory">Update checkstyle from 8.35 to 8.36.1 #12 #14.</action>
       <action type="update" dev="ggregory" due-to="Arturo Bernal">Minor Improvements #34.</action>
-      <action type="update" dev="kinow" due-to="dependabot">Bump actions/cache from v2 to v2.1.4 #38.</action>
+      <action type="update" dev="kinow" due-to="dependabot">Bump actions/cache from v2 to v2.1.5 #38 #50.</action>
     </release>
 
     <release version="1.7" date="2019-08-30" description="Version 1.7">