chore: update gravitee dependencies

I've used the version defined in the latest 3.20

pom.xml

@@ -34,14 +34,14 @@
     </parent>
 
     <properties>
-        <gravitee-apim-gateway-tests-sdk.version>3.18.12</gravitee-apim-gateway-tests-sdk.version>
-        <gravitee-bom.version>5.0.0</gravitee-bom.version>
-        <gravitee-common.version>1.28.0</gravitee-common.version>
+        <gravitee-apim-gateway-tests-sdk.version>3.20.28</gravitee-apim-gateway-tests-sdk.version>
+        <gravitee-bom.version>3.0.22</gravitee-bom.version>
+        <gravitee-common.version>2.3.0</gravitee-common.version>
         <gravitee-expression-language.version>1.9.2</gravitee-expression-language.version>
-        <gravitee-gateway-api.version>1.37.0</gravitee-gateway-api.version>
-        <gravitee-node.version>1.27.9</gravitee-node.version>
+        <gravitee-gateway-api.version>2.0.3</gravitee-gateway-api.version>
+        <gravitee-node.version>2.1.0</gravitee-node.version>
         <gravitee-policy-api.version>1.11.0</gravitee-policy-api.version>
-        <junit.version>4.12</junit.version>
+
         <maven-assembly-plugin.version>2.5.5</maven-assembly-plugin.version>
         <woodstox.version>6.2.1</woodstox.version>
         <guava.version>30.1.1-jre</guava.version>