Bump h2 in /content/examples/datasource-definition

Bumps [h2](https://github.com/h2database/h2database) from 1.3.166 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/commits/version-2.2.220)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/content/examples/datasource-definition/pom.xml b/content/examples/datasource-definition/pom.xml
old mode 100755
new mode 100644
index af94e6b..dceedea
--- a/content/examples/datasource-definition/pom.xml
+++ b/content/examples/datasource-definition/pom.xml
@@ -101,7 +101,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.3.166</version>
+      <version>2.2.220</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>