fix: divide commons and tgclient versions

oaipmh-core/pom.xml

@@ -35,7 +35,7 @@
 		<dependency>
 			<groupId>info.textgrid.middleware.clients</groupId>
 			<artifactId>textgrid-clients</artifactId>
-			<version>${common.version}</version>
+			<version>${tgclients.version}</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.cxf</groupId>

pom.xml

@@ -31,6 +31,7 @@
 		<properties-maven-plugin.version>1.0-alpha-2</properties-maven-plugin.version>
 		<rdf4j-repository-api.version>3.0.2</rdf4j-repository-api.version>
 		<spring.version>5.3.22</spring.version>
+		<tgclients.version>4.4.3</tgclients.version>
 		<xstream.version>1.4.18</xstream.version>
 	</properties>
 	<url>https://gitlab.gwdg.de/dariah-de/dariah-de-oai-pmh-services</url>