chore(deps): bump the minorandpatch group in /backend with 4 updates

Bumps the minorandpatch group in /backend with 4 updates: [org.postgresql:postgresql](https://github.com/pgjdbc/pgjdbc), org.keycloak:keycloak-admin-client, [org.testcontainers:postgresql](https://github.com/testcontainers/testcontainers-java) and [org.springframework.boot](https://github.com/spring-projects/spring-boot).


Updates `org.postgresql:postgresql` from 42.7.1 to 42.7.2
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](pgjdbc/pgjdbc@REL42.7.1...REL42.7.2)

Updates `org.keycloak:keycloak-admin-client` from 23.0.6 to 23.0.7

Updates `org.testcontainers:postgresql` from 1.19.5 to 1.19.6
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.19.5...1.19.6)

Updates `org.springframework.boot` from 3.2.2 to 3.2.3
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v3.2.2...v3.2.3)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minorandpatch
- dependency-name: org.keycloak:keycloak-admin-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minorandpatch
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minorandpatch
- dependency-name: org.springframework.boot
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minorandpatch
...

Signed-off-by: dependabot[bot] <support@github.com>

backend/build.gradle

@@ -2,7 +2,7 @@ import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 
 plugins {
-    id 'org.springframework.boot' version '3.2.2'
+    id 'org.springframework.boot' version '3.2.3'
     id 'io.spring.dependency-management' version '1.1.4'
     id 'org.jetbrains.kotlin.jvm' version '1.9.22'
     id 'org.jetbrains.kotlin.plugin.spring' version '1.9.22'
@@ -32,7 +32,7 @@ dependencies {
     implementation "com.fasterxml.jackson.module:jackson-module-kotlin"
     implementation "org.jetbrains.kotlin:kotlin-reflect"
     implementation "io.github.microutils:kotlin-logging-jvm:3.0.5"
-    implementation "org.postgresql:postgresql:42.7.1"
+    implementation "org.postgresql:postgresql:42.7.2"
     implementation "org.apache.commons:commons-csv:1.10.0"
     implementation "org.springdoc:springdoc-openapi-starter-webmvc-ui:2.3.0"
     implementation "org.flywaydb:flyway-core"
@@ -42,7 +42,7 @@ dependencies {
     implementation "org.jetbrains.exposed:exposed-kotlin-datetime:$exposedVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-datetime:0.5.0"
     implementation "org.hibernate.validator:hibernate-validator:8.0.1.Final"
-    implementation "org.keycloak:keycloak-admin-client:23.0.6"
+    implementation "org.keycloak:keycloak-admin-client:23.0.7"
 
     implementation "org.springframework.boot:spring-boot-starter-oauth2-resource-server"
     implementation "org.springframework.boot:spring-boot-starter-security"
@@ -58,7 +58,7 @@ dependencies {
     testImplementation "io.jsonwebtoken:jjwt-impl:0.12.5"
     testImplementation "io.jsonwebtoken:jjwt-jackson:0.12.5"
     testImplementation "com.ninja-squad:springmockk:4.0.2"
-    testImplementation "org.testcontainers:postgresql:1.19.5"
+    testImplementation "org.testcontainers:postgresql:1.19.6"
     testImplementation "org.junit.platform:junit-platform-launcher:1.10.2"
 }