Upgrade paimon java dependency to 1.2.0

paimon-python-java-bridge/pom.xml

diff --git a/paimon-python-java-bridge/pom.xml b/paimon-python-java-bridge/pom.xml
index 5abf40a..1163f8a 100644
--- a/paimon-python-java-bridge/pom.xml
+++ b/paimon-python-java-bridge/pom.xml
@@ -30,7 +30,7 @@
     <inceptionYear>2024</inceptionYear>
 
     <properties>
-        <paimon.version>1.0.0</paimon.version>
+        <paimon.version>1.2.0</paimon.version>
         <py4j.version>0.10.9.7</py4j.version>
         <slf4j.version>1.7.32</slf4j.version>
         <log4j.version>2.17.1</log4j.version>