Bump spring.version from 6.1.12 to 6.1.13 (#1420)

Co-authored-by: Boni Garcia <boni.garcia@uc3m.es>

Author: dependabot[bot]

junit4-spring/pom.xml

@@ -9,7 +9,7 @@
     <properties>
         <slf4j.version>2.0.16</slf4j.version>
         <logback.version>1.5.8</logback.version>
-        <spring.version>6.1.12</spring.version>
+        <spring.version>6.1.13</spring.version>
 
         <junit.version>4.13.2</junit.version>
 

junit5-spring/pom.xml

@@ -9,7 +9,7 @@
     <properties>
         <slf4j.version>2.0.16</slf4j.version>
         <logback.version>1.5.8</logback.version>
-        <spring.version>6.1.12</spring.version>
+        <spring.version>6.1.13</spring.version>
 
         <junit-jupiter.version>5.11.0</junit-jupiter.version>