Update xmpp (#102)

Signed-off-by: Leo Siepel <leosiepel@gmail.com>

Author: lsiepel

org.igniterealtime.smack.smack-core/pom.xml

@@ -1,22 +1,22 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-
-  <modelVersion>4.0.0</modelVersion>
-
-  <parent>
-    <groupId>org.openhab.osgiify</groupId>
-    <artifactId>org.openhab.reactor.osgiify</artifactId>
-    <version>1.0.0</version>
-  </parent>
-
-  <artifactId>org.igniterealtime.smack.smack-core</artifactId>
-  <version>4.5.0-beta6</version>
-
-  <name>smack-core</name>
-
-  <properties>
-    <origin.groupId>org.igniterealtime.smack</origin.groupId>
-    <origin.artifactId>smack-core</origin.artifactId>
-  </properties>
-
-</project>
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.openhab.osgiify</groupId>
+    <artifactId>org.openhab.reactor.osgiify</artifactId>
+    <version>1.0.0</version>
+  </parent>
+
+  <artifactId>org.igniterealtime.smack.smack-core</artifactId>
+  <version>4.5.0-rc1</version>
+
+  <name>smack-core</name>
+
+  <properties>
+    <origin.groupId>org.igniterealtime.smack</origin.groupId>
+    <origin.artifactId>smack-core</origin.artifactId>
+  </properties>
+
+</project>