build: upgrade to Gradle 9.2.1 and migrate Shadow plugin (spiffe#380)

* Upgrade Gradle wrapper to 9.2.1

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

* Downgrade shadows plugin to 9.0.0

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

---------

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

Author: maxlambrecht

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java-version: [ 11, 17, 21 ]
+        java-version: [ 17, 21 ]
 
     steps:
       - uses: actions/checkout@v6
@@ -51,7 +51,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        java-version: [ 11, 17, 21 ]
+        java-version: [ 17, 21 ]
 
     steps:
       - uses: actions/checkout@v6

.github/workflows/coverage.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:
-          java-version: '16'
+          java-version: '17'
           distribution: 'adopt'
       - name: Generate and upload coverage report
         env:

build.gradle

@@ -22,7 +22,7 @@ subprojects {
         mockitoVersion = '4.11.0'
         lombokVersion = '1.18.42'
         nimbusVersion = '10.6'
-        shadowVersion = '8.1.1'
+        shadowVersion = '9.0.0'
 
         //IMPORTANT: This must be in sync with the shaded netty version in gRPC
         nettyVersion = '4.2.8.Final'

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

java-spiffe-helper/build.gradle

@@ -1,10 +1,10 @@
 plugins {
-    id "com.github.johnrengelman.shadow" version "${shadowVersion}"
+    id "com.gradleup.shadow" version "${shadowVersion}"
 }
 
 description = "Java SPIFFE Library Helper module to store X.509 SVIDs and Bundles in a Java KeyStore in disk"
 
-apply plugin: 'com.github.johnrengelman.shadow'
+apply plugin: 'com.gradleup.shadow'
 
 assemble.dependsOn shadowJar
 

java-spiffe-provider/build.gradle

@@ -1,11 +1,11 @@
 plugins {
-    id "com.github.johnrengelman.shadow" version "${shadowVersion}"
+    id "com.gradleup.shadow" version "${shadowVersion}"
 }
 
 description = "Java Security Provider implementation supporting X.509-SVIDs and methods for " +
               "creating SSLContexts that are backed by the Workload API."
 
-apply plugin: 'com.github.johnrengelman.shadow'
+apply plugin: 'com.gradleup.shadow'
 
 assemble.dependsOn shadowJar