Updated dependencies to fix CVEs and imports to address build issues

 - fixed package imports in AuthenticationHelperImpl,DateUtils
 - upgraded below dependencies to resolve CVEs
     - spring-boot-dependencies version to 3.4.9
     - spring-boot-maven-plugin version to 3.4.9
     - tomcat-embed-core version to 11.0.3 to address CVE-2025-48989
     - structured-logging version to 3.0.40 to address CVE-2025-48924
     - private-api-sdk-java version to 4.0.350
     - api-security-java version to 2.0.13
     - commons-lang3 version to 3.18.0 to address CVE-2025-48924
     - gson version to 2.13.1 to address CVE-2025-53864

Author: bvrmvenkata

pom.xml

@@ -32,6 +32,7 @@
         <spring-web.version>6.2.8</spring-web.version>
         <spring-security-core.version>6.5.1</spring-security-core.version>
         <gson.version>2.13.1</gson.version>
+        <commons-lang3.version>3.18.0</commons-lang3.version>
         <!-- Internal -->
         <structured-logging.version>3.0.40</structured-logging.version>
         <private-api-sdk-java.version>4.0.350</private-api-sdk-java.version>
@@ -108,22 +109,25 @@
             <artifactId>structured-logging</artifactId>
             <version>${structured-logging.version}</version>
             <exclusions>
+                <!-- excluding commons-lang3 to address CVE-2025-48924 transitive dependency  -->
                 <exclusion>
                     <groupId>org.apache.commons</groupId>
                     <artifactId>commons-lang3</artifactId>
                 </exclusion>
             </exclusions>
         </dependency>
+        <!-- included commons-lang3-3.18.0 to address CVE-2025-48924 -->
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.18.0</version>
+            <version>${commons-lang3.version}</version>
         </dependency>
         <dependency>
             <groupId>uk.gov.companieshouse</groupId>
             <artifactId>private-api-sdk-java</artifactId>
             <version>${private-api-sdk-java.version}</version>
             <exclusions>
+                <!-- Excluding to address CVE-2025-48989 tomcat-embed-core pulled transitively-->
                 <exclusion>
                     <groupId>org.apache.tomcat.embed</groupId>
                     <artifactId>tomcat-embed-core</artifactId>
@@ -145,6 +149,7 @@
                     <groupId>org.xmlunit</groupId>
                     <artifactId>xmlunit-core</artifactId>
                 </exclusion>
+                <!-- Excluding to address CVE-2025-53864 gson pulled transitively-->
                 <exclusion>
                     <groupId>com.google.code.gson</groupId>
                     <artifactId>gson</artifactId>