[backend] Update spring boot to v3.4.3

Author: renovate[bot]

openbas-api/pom.xml

@@ -70,7 +70,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-security</artifactId>
-            <version>3.2.11</version>
+            <version>3.4.3</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-oauth2-client</artifactId>
-            <version>3.2.11</version>
+            <version>3.4.3</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>

pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.3.7</version>
+        <version>3.4.3</version>
     </parent>
 
     <groupId>io.openbas</groupId>