Could not resolve dependencies for java 1.7, maven 3.6.3

[soneyahossain]

[ERROR] Failed to execute goal on project maven-unittest: Could not resolve dependencies for project org.example:maven-unittest:jar:1.0-SNAPSHOT: Failed to collect dependencies at org.openclover:clover-maven-plugin:jar:4.4.1: Failed to read artifact descriptor for org.openclover:clover-maven-plugin:jar:4.4.1: Could not transfer artifact org.openclover:clover-maven-plugin:pom:4.4.1 from/to central (https://repo.maven.apache.org/maven2): Transfer failed for https://repo.maven.apache.org/maven2/org/openclover/clover-maven-plugin/4.4.1/clover-maven-plugin-4.4.1.pom: Received fatal alert: protocol_version -> [Help 1]
Here is my pom file

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>maven-unittest-qual</artifactId>
    <version>1.0-SNAPSHOT</version>
    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>${maven-compiler-plugin.version}</version>
                    <configuration>
                        <compilerArgs>
                            <arg>-g:source,lines,vars</arg>
                        </compilerArgs>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>${maven-surefire-plugin.version}</version>
                </plugin>

            </plugins>
        </pluginManagement>
    </build>

    <reporting>
        <plugins>
            <plugin>
                <groupId>org.openclover</groupId>
                <artifactId>clover-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </reporting>


    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.2</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.openclover</groupId>
            <artifactId>clover-maven-plugin</artifactId>
            <version>4.4.1</version>
            <type>maven-plugin</type>
        </dependency>
    </dependencies>

    <!-- ==================================================================== -->
    <properties>
        <maven.compiler.source>7</maven.compiler.source>
        <maven.compiler.target>7</maven.compiler.target>
        <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
        <maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
        <!-- Clover Core version -->
    </properties>
</project>