Use HTTPS instead of HTTP to resolve dependencies

This fixes a security vulnerability in this project where the `pom.xml`
files were configuring Maven to resolve dependencies over HTTP instead of
HTTPS.

Signed-off-by: Jonathan Leitschuh <Jonathan.Leitschuh@gmail.com>
diff --git a/src/it/mjmod-8-generate-jmod-in-other-project/pom.xml b/src/it/mjmod-8-generate-jmod-in-other-project/pom.xml
index 49725f8..1d6555d 100644
--- a/src/it/mjmod-8-generate-jmod-in-other-project/pom.xml
+++ b/src/it/mjmod-8-generate-jmod-in-other-project/pom.xml
@@ -62,7 +62,7 @@
     <pluginRepositories>
         <pluginRepository>
             <id>apache.snapshots</id>
-            <url>http://repository.apache.org/snapshots/</url>
+            <url>https://repository.apache.org/snapshots/</url>
         </pluginRepository>
     </pluginRepositories>