[build] Add gradle 8.5 to integration test docker setup

docker/gradle/Dockerfile

@@ -7,7 +7,7 @@ RUN provision/jdk/java-${jdk}.sh
 ARG lombokjar=lombok.jar
 ADD https://projectlombok.org/downloads/${lombokjar} /lombok.jar
 
-ARG gradle=8.3
+ARG gradle=8.5
 ADD provision/gradle/gradle-${gradle}.sh provision/gradle/gradle-${gradle}.sh
 RUN provision/gradle/gradle-${gradle}.sh
 

docker/gradle/readme.md

@@ -2,11 +2,12 @@
 
 [_(general configuration and options)_](../readme.md)
 
-### `ARG gradle=8.3`
+### `ARG gradle=8.5`
 
 The gradle version to be used. Supported values:
 
-- `8.3` (default)
+- `8.5` (default)
+- `8.3`
 - `7.6.1`
 - `6.8.3`
 

docker/provision/gradle/gradle-8.5.sh

@@ -0,0 +1,4 @@
+apt-get update && apt-get install -y wget unzip
+wget https://github.com/gradle/gradle-distributions/releases/download/v8.5.0/gradle-8.5-bin.zip -O gradle.zip
+mkdir /opt/gradle && unzip -d /opt/gradle gradle.zip
+mv /opt/gradle/gradle-8.5 /opt/gradle/gradle