fix(deps): update spring boot to v3.5.1

Author: renovate[bot]

Backend/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.4.2</version>
+        <version>3.5.1</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -44,22 +44,22 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-webflux</artifactId>
-            <version>3.4.2</version>
+            <version>3.5.1</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>3.4.2</version>
+            <version>3.5.1</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-jpa</artifactId>
-            <version>3.4.2</version>
+            <version>3.5.1</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
-            <version>3.4.2</version>
+            <version>3.5.1</version>
             <scope>test</scope>
         </dependency>