update readme to reflect java 25 requirement

.github/workflows/package.yaml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           submodules: recursive
-      - name: Clear Java tool-cache for reproduciblity
+      - name: Clear Java tool-cache for reproducibility
         shell: bash
         run: rm -rf "$RUNNER_TOOL_CACHE"/Java_*
       - name: Set up JDK 25.0.2

README.md

@@ -16,14 +16,14 @@ or for those without SSH credentials:
 
 `git clone --recursive https://github.com/sparrowwallet/sparrow.git`
 
-In order to build, Sparrow requires Java 22 or higher to be installed. 
+In order to build, Sparrow requires Java 25 or higher to be installed. 
-The release binaries are built with [Eclipse Temurin 22.0.2+9](https://github.com/adoptium/temurin22-binaries/releases/tag/jdk-22.0.2%2B9).
+The release binaries are built with [Eclipse Temurin 25.0.2+10](https://github.com/adoptium/temurin25-binaries/releases/tag/jdk-25.0.2%2B10).
+If you are using [SDKMAN](https://sdkman.io/), you can use `sdk env install` to ensure you have the correct version.
 
 Other packages may also be necessary to build depending on the platform. On Debian/Ubuntu systems:
 
 `sudo apt install -y rpm fakeroot binutils`
 
-
 The Sparrow binaries can be built from source using
 
 `./gradlew jpackage`
@@ -44,7 +44,7 @@ If you prefer to run Sparrow directly from source, it can be launched from withi
 
 `./sparrow`
 
-Java 22 or higher must be installed. 
+Java 25 or higher must be installed. 
 
 ## Configuration