Update test versions and CI builds

Author: whitfin

.github/workflows/ci.yml

@@ -20,7 +20,6 @@ jobs:
           - 21
           - 17
           - 11
-          - 8
     steps:
       - uses: actions/checkout@v4
       - name: Build with Maven

pom.xml

@@ -165,9 +165,9 @@
                 </executions>
             </plugin>
             <plugin>
-                <groupId>org.eluder.coveralls</groupId>
+                <groupId>com.github.hazendaz.maven</groupId>
                 <artifactId>coveralls-maven-plugin</artifactId>
-                <version>4.3.0</version>
+                <version>4.5.0</version>
             </plugin>
         </plugins>
     </build>