Update minimum required Java version to 17

.github/workflows/build.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v3
-    - name: Set up JDK 1.8
+    - name: Set up JDK 17
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin'
-        java-version: 8
+        java-version: 17
     - name: Build with Maven
       run: ./mvnw --batch-mode --errors --fail-at-end --show-version package

README.md

@@ -7,7 +7,7 @@ Proxy for the [RoboCup 3D Soccer Simulation League](http://wiki.robocup.org/wiki
 The Simspark Agent Proxy is a proxy for client agents, connecting to the
 Simspark server. Its main purpose is to ensure independence of network
 issues/delays, by monitoring think cycle times of agents on the client machine.
-The proxy is developed using Java 1.8.
+The proxy is developed using Java 17.
 
 ![Runtime architecture](screenshots/magmaProxy.png)
 

pom.xml

@@ -41,8 +41,8 @@
             <artifactId>maven-compiler-plugin</artifactId>
             <version>3.10.1</version>
             <configuration>
-               <source>1.8</source>
-               <target>1.8</target>
+               <source>17</source>
+               <target>17</target>
                <debug>true</debug>
             </configuration>
          </plugin>