Prepare next development iteration (#1447)

Co-authored-by: yasen-pavlov-sonarsource <yasen-pavlov-sonarsource>

Author: github-actions[bot]

gradle.properties

@@ -1,5 +1,5 @@
 group=org.sonarsource.php
-version=3.47-SNAPSHOT
+version=3.48-SNAPSHOT
 description=SonarSource PHP Analyzer
 org.gradle.parallel=true
 org.gradle.caching=true

php-custom-rules-plugin/maven/pom.xml

@@ -7,7 +7,7 @@
   <groupId>org.sonar.samples.php</groupId>
   <artifactId>php-custom-rules-plugin</artifactId>
   <packaging>jar</packaging>
-  <version>3.47-SNAPSHOT</version>
+  <version>3.48-SNAPSHOT</version>
 
   <name>SonarSource PHP Custom Rules Example</name>
   <description>PHP Custom Rules Example for SonarQube</description>