maven统一版本管理

<properties>
        <log4j.version>1.2.17</log4j.version>
        <lombok.version>1.18.20</lombok.version>
        <guava.version>30.1.1-jre</guava.version>
        <orika.version>1.5.4</orika.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>${lombok.version}</version>
        </dependency>

        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>${guava.version}</version>
        </dependency>
        <dependency>
            <groupId>ma.glasnost.orika</groupId>
            <artifactId>orika-core</artifactId>
            <version>${orika.version}</version>
        </dependency>
    </dependencies>