Pin Parsson dependency to version 1.1.5.

Parsson 1.1.0 has reported security vulnerabilities, so pinning it to
a newer version is useful.  In addition, pulling it in explicitly
enables Renovate Bot and similar tooling to control the version of
Parsson that we pull in in the future.

Change-Id: I0c79f389facce280b733ae422f4b24bfe1e1b117
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 2318bf2..f5937b0 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -79,6 +79,7 @@
     <jqwik.version>1.8.2</jqwik.version>
     <junit-jupiter.version>5.10.1</junit-jupiter.version>
     <nullaway.version>0.10.18</nullaway.version>
+    <parsson.version>1.1.5</parsson.version>
     <picocli.version>4.7.5</picocli.version>
     <yasson.version>3.0.3</yasson.version>
     <xz.version>1.9</xz.version>
@@ -130,6 +131,11 @@
         <artifactId>yasson</artifactId>
         <version>${yasson.version}</version>
       </dependency>
+      <dependency>
+        <groupId>org.eclipse.parsson</groupId>
+        <artifactId>parsson</artifactId>
+        <version>${parsson.version}</version>
+      </dependency>
 
       <!-- Guava -->
       <dependency>