Bump commons-io from 2.4 to 2.7 in /oauth-2.0/client

Bumps commons-io from 2.4 to 2.7.

---
updated-dependencies:
- dependency-name: commons-io:commons-io
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/oauth-2.0/client/pom.xml b/oauth-2.0/client/pom.xml
index 5f70af2..ceb8644 100644
--- a/oauth-2.0/client/pom.xml
+++ b/oauth-2.0/client/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.4</version>
+      <version>2.7</version>
       <scope>test</scope>
     </dependency>
     <dependency>