Prevent modified files with Maven builds (#1152)

Related to #241

Signed-off-by: Wouter Born <github@maindrain.net>

.gitignore

@@ -4,6 +4,7 @@ target/
 src-gen/
 bin/
 .metadata/
+.openapi-generator/
 **/.settings/org.eclipse.*
 features/*/src/main/history
 npm-debug.log

bundles/org.openhab.ui.habot/pom.xml

@@ -85,10 +85,13 @@
           </execution>
 
           <execution>
-            <id>npm install</id>
+            <id>npm ci</id>
             <goals>
               <goal>npm</goal>
             </goals>
+            <configuration>
+              <arguments>ci</arguments>
+            </configuration>
           </execution>
 
           <execution>

bundles/org.openhab.ui/pom.xml

@@ -51,12 +51,12 @@
           </execution>
 
           <execution>
-            <id>npm install</id>
+            <id>npm ci</id>
             <goals>
               <goal>npm</goal>
             </goals>
             <configuration>
-              <arguments>install</arguments>
+              <arguments>ci</arguments>
             </configuration>
           </execution>