misc - exclude jacoco java 11 specific files

Jacoco doesn't support multi-jar, in order to avoid"Can't add different class with same name" exception

Author: rusher

.travis.yml

@@ -42,7 +42,7 @@ jobs:
  - env: srv=mariadb v=10.3 local=1
  - env: srv=mariadb v=10.4 local=1
  - env: srv=mariadb v=10.5 packet=40
- - env: srv=mariadb v=10.5 packet=8
+ - env: srv=mariadb v=10.5 packet=8 jdk=openjdk8
  - env: srv=mariadb v=10.5 BENCH=1
  - env: srv=maxscale
  - env: srv=build v=10.6

pom.xml

@@ -271,7 +271,9 @@
  <configuration>
  <destFile>${jacoco.reportPath}</destFile>
  <append>true</append>
-
+ <excludes>
+ <exclude>META-INF/**</exclude>
+ </excludes>
  </configuration>
  <executions>
  <execution>