Prepare next development cycle for 4.0.1-SNAPSHOT

pom.xml

diff --git a/pom.xml b/pom.xml
index 0ea5724..0c63399 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
 
     <groupId>jakarta.el</groupId>
     <artifactId>el-parent</artifactId>
-    <version>4.0.0</version>
+    <version>4.0.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Jakarta Expression Language</name>