Require java 11 everywhere and drop unnecessary animal-sniffer-maven-plugin

Author: jozic

.github/workflows/ci.yml

@@ -25,4 +25,4 @@ jobs:
     - name: print Maven and Java versions
       run: mvn --version
     - name: Build
-      run: mvn --no-transfer-progress -B clean verify animal-sniffer:check
+      run: mvn -ntp -B clean verify

pom.xml

@@ -195,8 +195,7 @@ under the License.
                     <artifactId>maven-compiler-plugin</artifactId>
                     <version>3.12.1</version>
                     <configuration>
-                        <source>1.8</source>
-                        <target>1.8</target>
+                        <release>11</release>
                     </configuration>
                 </plugin>
 
@@ -305,7 +304,7 @@ under the License.
                         <excludes>
                             <exclude>org/scoverage/plugin/HelpMojo.java</exclude>
                         </excludes>
-                        <targetJdk>1.8</targetJdk>
+                        <targetJdk>11</targetJdk>
                     </configuration>
                 </plugin>
 
@@ -360,19 +359,6 @@ under the License.
                     <version>3.2.3</version>
                 </plugin>
 
-                <plugin>
-                    <groupId>org.codehaus.mojo</groupId>
-                    <artifactId>animal-sniffer-maven-plugin</artifactId>
-                    <version>1.23</version>
-                    <configuration>
-                        <signature>
-                            <groupId>org.codehaus.mojo.signature</groupId>
-                            <artifactId>java18</artifactId>
-                            <version>1.0</version>
-                        </signature>
-                    </configuration>
-                </plugin>
-
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>clirr-maven-plugin</artifactId>
@@ -527,8 +513,8 @@ under the License.
                         <configuration>
                             <rules>
                                 <requireJavaVersion>
-                                    <version>1.8</version>
-                                    <message>Java 1.8 or later required.</message>
+                                    <version>11</version>
+                                    <message>Java 11 or later required.</message>
                                 </requireJavaVersion>
                             </rules>
                         </configuration>