update java to 17

Author: hollesse

.github/workflows/test.yml

@@ -9,6 +9,6 @@ jobs:
         uses: actions/setup-java@v3.5.1
         with:
           distribution: 'temurin'
-          java-version: '11'
+          java-version: '17'
       - name: Build & Test
         run: ./mvnw clean verify

pom.xml

@@ -15,7 +15,7 @@
   <name>timer</name>
   <description>timer</description>
   <properties>
-    <java.version>11</java.version>
+    <java.version>17</java.version>
   </properties>
   <dependencies>
     <dependency>