fix camel-k: simple integrations without a web part have a startup WARNING
<groupId>org.apache.camel</groupId>
<artifactId>camel-http-common</artifactId>
</dependency>
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>javax.servlet-api</artifactId>
+ <scope>runtime</scope>
+ </dependency>
<dependency>
<groupId>com.github.spotbugs</groupId>
<artifactId>spotbugs-annotations</artifactId>
