Bump the development-dependencies group with 2 updates (#8928)

Bumps the development-dependencies group with 2 updates: [org.testcontainers:testcontainers-bom](https://github.com/testcontainers/testcontainers-java) and [io.spring.ge.conventions](https://github.com/spring-io/gradle-enterprise-conventions).


Updates `org.testcontainers:testcontainers-bom` from 1.19.4 to 1.19.5
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](https://github.com/testcontainers/testcontainers-java/compare/1.19.4...1.19.5)

Updates `io.spring.ge.conventions` from 0.0.14 to 0.0.15
- [Release notes](https://github.com/spring-io/gradle-enterprise-conventions/releases)
- [Commits](https://github.com/spring-io/gradle-enterprise-conventions/compare/v0.0.14...v0.0.15)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: io.spring.ge.conventions
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -115,7 +115,7 @@ ext {
     springSecurityVersion = '6.2.2'
     springVersion = '6.1.4'
     springWsVersion = '4.0.10'
-    testcontainersVersion = '1.19.4'
+    testcontainersVersion = '1.19.5'
     tomcatVersion = '10.1.18'
     xmlUnitVersion = '2.9.1'
     xstreamVersion = '1.4.20'

settings.gradle

@@ -1,6 +1,6 @@
 plugins {
 	id 'com.gradle.enterprise' version '3.15.1'
-	id 'io.spring.ge.conventions' version '0.0.14'
+	id 'io.spring.ge.conventions' version '0.0.15'
 }
 
 rootProject.name = 'spring-integration'