Update to Spring-Boot 4.0.0-M2

Author: afranken

pom.xml

@@ -65,40 +65,6 @@
     <url>https://github.com/adobe/S3Mock/tree/main</url>
   </scm>
 
-  <repositories>
-    <!--  TODO: remove after upgrading to Spring Boot 4 release in November  -->
-    <repository>
-      <id>spring-milestones</id>
-      <name>Spring Milestone Repository</name>
-      <url>https://repo.spring.io/milestone</url>
-    </repository>
-    <repository>
-      <id>spring-snapshots</id>
-      <name>Spring Snapshot Repository</name>
-      <url>https://repo.spring.io/snapshot</url>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-    </repository>
-  </repositories>
-
-  <pluginRepositories>
-    <!--  TODO: remove after upgrading to Spring Boot 4 release in November  -->
-    <pluginRepository>
-      <id>spring-milestones</id>
-      <name>Spring Milestone Repository</name>
-      <url>https://repo.spring.io/milestone</url>
-    </pluginRepository>
-    <pluginRepository>
-      <id>spring-snapshots</id>
-      <name>Spring Snapshot Repository</name>
-      <url>https://repo.spring.io/snapshot</url>
-      <snapshots>
-        <enabled>true</enabled>
-      </snapshots>
-    </pluginRepository>
-  </pluginRepositories>
-
   <distributionManagement>
     <repository>
       <id>ossrh</id>
@@ -163,7 +129,7 @@
     <skipDocker>false</skipDocker>
     <sortpom-maven-plugin.version>4.0.0</sortpom-maven-plugin.version>
     <!--  TODO: update to 4.0.0 after Spring Boot 4 release in November  -->
-    <spring-boot.version>4.0.0-M1</spring-boot.version>
+    <spring-boot.version>4.0.0-M2</spring-boot.version>
     <testcontainers.version>1.21.3</testcontainers.version>
     <testng.version>7.11.0</testng.version>
     <xmlunit-assertj3.version>2.10.3</xmlunit-assertj3.version>

server/src/test/kotlin/com/adobe/testing/s3mock/ObjectControllerTest.kt

@@ -1132,7 +1132,7 @@ internal class ObjectControllerTest : BaseControllerTest() {
     ).thenReturn(s3ObjectMetadata)
 
     val headers = HttpHeaders().apply {
-      this[HttpHeaders.IF_MATCH] = listOf("\"etag-123\"")
+      this[HttpHeaders.IF_MATCH] = "\"etag-123\""
       this[AwsHttpHeaders.X_AMZ_SDK_CHECKSUM_ALGORITHM] = "CRC32"
       contentType = MediaType.APPLICATION_OCTET_STREAM
     }