fix: upgrade org.slf4j:slf4j-api from 2.0.12 to 2.0.13

Snyk has created this PR to upgrade org.slf4j:slf4j-api from 2.0.12 to 2.0.13.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.slf4j/slf4j-api/

See this project in Snyk:
https://app.snyk.io/org/pantheon.tech/project/0115c39a-4f78-4555-8c38-8b5c512ef1d9?utm_source=github&utm_medium=referral&page=upgrade-pr

lighty-core/lighty-parent/pom.xml

@@ -30,7 +30,7 @@
     <properties>
         <maven.compiler.release>17</maven.compiler.release>
         <!-- Overrides Spring Boot slf4j and log4j2 dependency version -->
-        <slf4j.version>2.0.12</slf4j.version>
+        <slf4j.version>2.0.13</slf4j.version>
         <log4j2.version>2.23.1</log4j2.version>
     </properties>