Update CI for JDK 17

Author: gazbert

.github/workflows/gradle.yml

@@ -20,10 +20,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@937999e9cc2425eddc7fd62d1053baf041147db7

.github/workflows/maven.yml

@@ -16,10 +16,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: actions/setup-java@v2
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven

README.md

@@ -39,7 +39,7 @@ Any comments/bugs/better ways of doing things, send 'em my way.
 1. Facade
 
 # Build Guide
-You'll need JDK 11+ installed on your dev box.
+You'll need JDK 17+ installed on your dev box.
 
 ## Gradle
 You can use the included Gradle wrapper to build the project and pull down the dependencies: