Use camel-version for Camel core dependencies (#306)

diff --git a/dsl-starter/camel-java-joor-dsl-starter/pom.xml b/dsl-starter/camel-java-joor-dsl-starter/pom.xml
index 3fae6fb..af8a102 100644
--- a/dsl-starter/camel-java-joor-dsl-starter/pom.xml
+++ b/dsl-starter/camel-java-joor-dsl-starter/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.camel</groupId>
             <artifactId>camel-java-joor-dsl</artifactId>
-            <version>${project.version}</version>
+            <version>${camel-version}</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/dsl-starter/camel-xml-io-dsl-starter/pom.xml b/dsl-starter/camel-xml-io-dsl-starter/pom.xml
index 59fed88..670552f 100644
--- a/dsl-starter/camel-xml-io-dsl-starter/pom.xml
+++ b/dsl-starter/camel-xml-io-dsl-starter/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.camel</groupId>
             <artifactId>camel-xml-io-dsl</artifactId>
-            <version>${project.version}</version>
+            <version>${camel-version}</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/dsl-starter/camel-xml-jaxb-dsl-starter/pom.xml b/dsl-starter/camel-xml-jaxb-dsl-starter/pom.xml
index 02b6e0e..e24f1f1 100644
--- a/dsl-starter/camel-xml-jaxb-dsl-starter/pom.xml
+++ b/dsl-starter/camel-xml-jaxb-dsl-starter/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.camel</groupId>
             <artifactId>camel-xml-jaxb-dsl</artifactId>
-            <version>${project.version}</version>
+            <version>${camel-version}</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/dsl-starter/camel-yaml-dsl-starter/pom.xml b/dsl-starter/camel-yaml-dsl-starter/pom.xml
index 3ad86f1..d15d4bb 100644
--- a/dsl-starter/camel-yaml-dsl-starter/pom.xml
+++ b/dsl-starter/camel-yaml-dsl-starter/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.camel</groupId>
             <artifactId>camel-yaml-dsl</artifactId>
-            <version>${project.version}</version>
+            <version>${camel-version}</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file