Update spring boot version to 3.2.4

apps/offline-session-client/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.7.8</version>
+        <version>3.2.4</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -16,10 +16,9 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <java.version>11</java.version>
+        <java.version>17</java.version>
         <maven.compiler.source>${java.version}</maven.compiler.source>
         <maven.compiler.target>${java.version}</maven.compiler.target>
-        <spotless-plugin.version>2.17.3</spotless-plugin.version>
     </properties>
 
     <dependencies>
@@ -29,8 +28,8 @@
         </dependency>
 
         <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
+            <groupId>org.apache.httpcomponents.client5</groupId>
+            <artifactId>httpclient5</artifactId>
         </dependency>
 
         <dependency>
@@ -63,56 +62,6 @@
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
             </plugin>
-
-            <plugin>
-                <groupId>com.diffplug.spotless</groupId>
-                <artifactId>spotless-maven-plugin</artifactId>
-                <version>${spotless-plugin.version}</version>
-                <configuration>
-                    <!-- optional: limit format enforcement to just the files changed by this feature branch -->
-                    <ratchetFrom>origin/main</ratchetFrom>
-                    <formats>
-                        <!-- you can define as many formats as you want, each is independent -->
-                        <format>
-                            <!-- define the files to apply to -->
-                            <includes>
-                                <include>*.md</include>
-                                <include>.gitignore</include>
-                            </includes>
-                            <!-- define the steps to apply to those files -->
-                            <trimTrailingWhitespace/>
-                            <endWithNewline/>
-                            <indent>
-                                <tabs>true</tabs>
-                                <spacesPerTab>4</spacesPerTab>
-                            </indent>
-                        </format>
-                    </formats>
-                    <!-- define a language-specific format -->
-                    <java>
-                        <!-- no need to specify files, inferred automatically, but you can if you want -->
-
-                        <!-- apply a specific flavor of google-java-format and reflow long strings -->
-                        <googleJavaFormat>
-                            <version>1.12.0</version>
-                            <style>AOSP</style>
-                            <reflowLongStrings>true</reflowLongStrings>
-
-                        </googleJavaFormat>
-                    </java>
-                </configuration>
-                <executions>
-                    <execution>
-                        <!-- Runs in compile phase to fail fast in case of formatting issues.-->
-                        <id>spotless-check</id>
-                        <phase>compile</phase>
-                        <goals>
-                            <goal>check</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-
         </plugins>
     </build>