RFR: Fix maven-surefire-plugin version [v2]

[Aleksey Shipilev]

> Maven complains otherwise:
> 
> [WARNING]
> [WARNING] Some problems were encountered while building the effective model for
> org.openjdk.jol:jol-core:jar:0.14-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for
> org.apache.maven.plugins:maven-surefire-plugin is missing. @ org.openjdk.jol:jol-core:[unknown-version],
> /home/shade/temp/jol/jol/jol-core/pom.xml, line 66, column 21 [WARNING]  [WARNING] It is highly recommended to fix
> these problems because they threaten the stability of your build. [WARNING]
> [WARNING] For this reason, future Maven versions might no longer support building such malformed projects.

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now
contains one commit:

  Fix maven-surefire-plugin version

-------------

Changes: https://git.openjdk.java.net/jol/pull/6/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jol&pr=6&range=01
  Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jol/pull/6.diff
  Fetch: git fetch https://git.openjdk.java.net/jol pull/6/head:pull/6

PR: https://git.openjdk.java.net/jol/pull/6