Fix issue with docker / test containers (#1411)

* Update testcontainers to version 2.0.2 and force version of `commons-io`.
* Add developer notes to force docker api version to accept a minimum version of `1.44`.

Author: MartinWheelerMT

nhs-england-developer-information.md

@@ -135,6 +135,18 @@ Use environment variables to configure the tests to use:
     ./gradlew cleanIntegrationTest integrationTest -i
     ```  
 
+Please note that if you see an error such as:
+
+`Level=ERROR Logger=o.t.d.DockerClientProviderStrategy Could not find a valid Docker environment.`
+
+Then run the following command from a terminal window, and restart your docker engine (or machine):
+
+```bash
+cat > ~/.docker-java.properties <<EOF
+api.version=1.44
+EOF
+```
+
 ## How to run e2e tests:
 
 End-to-end (e2e) tests execute against an already running / deployed adaptor and its dependencies. You must run these

service/build.gradle

@@ -78,8 +78,10 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation "org.assertj:assertj-core:3.27.6"
 	testImplementation 'org.apache.commons:commons-compress:1.28.0'
-	testImplementation 'org.testcontainers:testcontainers:1.21.3'
-	testImplementation 'org.testcontainers:junit-jupiter:1.21.3'
+    testImplementation(platform('org.testcontainers:testcontainers-bom:2.0.2'))
+    testImplementation 'commons-io:commons-io:2.21.0'
+    testImplementation 'org.testcontainers:testcontainers'
+    testImplementation 'org.testcontainers:junit-jupiter'
 	testImplementation 'org.awaitility:awaitility:4.3.0'
 	testImplementation 'org.wiremock:wiremock-standalone:3.13.1'
 	testImplementation 'com.squareup.okhttp3:okhttp:5.3.0'