Workaround Issue apache/logging-log4j2#2929

pom.xml

@@ -141,6 +141,15 @@ along with aoserv-jilter.  If not, see <https://www.gnu.org/licenses/>.
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId><artifactId>maven-dependency-plugin</artifactId>
+        <configuration>
+          <usedDependencies>
+            <!-- TODO: Workaround Issue #2929 https://github.com/apache/logging-log4j2/issues/2929 in log4j-1.2-api-2.24.0 -->
+            <dependency>org.jspecify:jspecify</dependency>
+          </usedDependencies>
+        </configuration>
+      </plugin>
       <!-- Java 1.8: see https://maven.apache.org/plugins/maven-compiler-plugin/examples/module-info.html -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId>
@@ -318,6 +327,10 @@ along with aoserv-jilter.  If not, see <https://www.gnu.org/licenses/>.
         <!-- Installed with mvn install:install-file -Dfile=jilter-1.2.jar -DgroupId=com.sendmail -DartifactId=jilter -Dversion=1.2 -Dpackaging=jar -DlocalRepositoryPath=repository -->
         <groupId>com.sendmail</groupId><artifactId>jilter</artifactId><version>1.2</version>
       </dependency>
+      <dependency>
+        <!-- TODO: Workaround Issue #2929 https://github.com/apache/logging-log4j2/issues/2929 in log4j-1.2-api-2.24.0 -->
+        <groupId>org.jspecify</groupId><artifactId>jspecify</artifactId><version>1.0.0</version>
+      </dependency>
       <dependency>
         <groupId>org.apache.logging.log4j</groupId><artifactId>log4j-1.2-api</artifactId><version>2.24.0</version>
       </dependency>
@@ -358,6 +371,11 @@ along with aoserv-jilter.  If not, see <https://www.gnu.org/licenses/>.
     <dependency>
       <groupId>com.sendmail</groupId><artifactId>jilter</artifactId>
     </dependency>
+    <dependency>
+      <!-- TODO: Workaround Issue #2929 https://github.com/apache/logging-log4j2/issues/2929 in log4j-1.2-api-2.24.0 -->
+      <groupId>org.jspecify</groupId><artifactId>jspecify</artifactId>
+      <optional>true</optional>
+    </dependency>
     <dependency>
       <!-- log4j 1.2 API is required by com.sendmail:jilter -->
       <groupId>org.apache.logging.log4j</groupId><artifactId>log4j-1.2-api</artifactId>