Lock test version to 17.0.12

Author: olyagpl

.github/workflows/archive-espresso-jshell.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '17'
+          java-version: '17.0.12'
           distribution: 'graalvm'
           components: 'espresso'
           github-token: ${{ secrets.GITHUB_TOKEN }}

archive/espresso-jshell/README.md

@@ -1,6 +1,6 @@
 # Native JShell and Espresso: Mixing AOT and JIT for Java
 
-This demo showcases the integration between [GraalVM Native Image](https://www.graalvm.org/reference-manual/native-image/) and [Java-on-Truffle (Espresso)](https://www.graalvm.org/latest/reference-manual/espresso/).  
+This demo showcases the integration between [GraalVM Native Image](https://www.graalvm.org/reference-manual/native-image/) and [Espresso (Java on Truffle)](https://www.graalvm.org/latest/reference-manual/espresso/).  
 It builds a native executable version of `jshell`, that executes the dynamically generated bytecode on Espresso. This hybrid mode achieves instant startup, beating the vanilla `jshell` in both: time to the first interaction and time to evaluate a simple expression.
 
 JShell is a Java read-eval-print loop tool first introduced in Java 9, this demo also allows running `jshell` on Java 8.  
@@ -9,15 +9,15 @@ For further discussions and questions please join our `#espresso` channel on the
 ## Prerequisites
 
 - GraalVM for Java 11, 17 or higher
-- Native Image support
-- Java-on-Truffle (Espresso) support
+- Espresso (Java on Truffle) support
 
 ## Preparation
 
-1. Download and install the latest GraalVM JDK using [SDKMAN!](https://sdkman.io/).
+1. Download and install the GraalVM JDK with Native Image and Espresso support using the [GraalVM JDK Downloader](https://github.com/graalvm/graalvm-jdk-downloader).
     ```bash
-    sdk install java 21.0.1-graal
+    bash <(curl -sL https://get.graalvm.org/jdk) -c 'espresso'
     ```
+    The download script will provide the `JAVA_HOME`, `PATH`, and `GRAALVM_HOME` environment variables (follow the command line prompt).
 
 2. Download or clone GraalVM demos repository and navigate into the `espresso-jshell` directory:
     ```bash