Bugfix: release seata configuration

[xuzhiyiYoh]

Ⅰ. Describe what this PR did

Fix release seata configuration.

Ⅱ. Does this pull request fix one issue?

#1020

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

mvn clean install -Dmaven.test.skip=true

profile: release-seata

tree distribution/target/seata-server-0.6.0-SNAPSHOT/seata

Ⅴ. Special notes for reviews

What does the following configuration mean?

        <file>
            <source>../server/target/seata-server-${project.version}.jar</source>
            <outputDirectory>/target/</outputDirectory>
        </file>

[codecov-io]

Codecov Report

Merging #1027 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop    #1027   +/-   ##
==========================================
  Coverage      38.23%   38.23%           
  Complexity      1046     1046           
==========================================
  Files            218      218           
  Lines           8701     8701           
  Branches        1086     1086           
==========================================
  Hits            3327     3327           
  Misses          4953     4953           
  Partials         421      421

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[slievrly]

when mvn install，it will create a xxx.tar.gz?

[xuzhiyiYoh]

My test result.

[slievrly]

LGTM

[xuzhiyiYoh]

mvn clean install -Dmaven.test.skip=true -Prelease-seata

[xingfudeshi]

Thanks.LGTM.