Update jacoco version

[StefRe]

to be able to run the tests under JDK11 / Android Studio 2021.

[StefRe]

Hm, I just saw that I can run the libopac tests now, but the opacapp tests still fail with:

> Task :opacapp:testFossDebugUnitTest
Exception in thread "main" java.lang.reflect.InvocationTargetException
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:513)
	at java.instrument/sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:525)
Caused by: java.lang.RuntimeException: Class java/util/UUID could not be instrumented.
	at org.jacoco.agent.rt.internal_773e439.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:139)
	at org.jacoco.agent.rt.internal_773e439.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:100)
	at org.jacoco.agent.rt.internal_773e439.PreMain.createRuntime(PreMain.java:55)
	at org.jacoco.agent.rt.internal_773e439.PreMain.premain(PreMain.java:47)
	... 6 more
Caused by: java.lang.NoSuchFieldException: $jacocoAccess
	at java.base/java.lang.Class.getField(Class.java:1999)
	at org.jacoco.agent.rt.internal_773e439.core.runtime.ModifiedSystemClassRuntime.createFor(ModifiedSystemClassRuntime.java:137)
	... 9 more
*** java.lang.instrument ASSERTION FAILED ***: "result" with message agent load/premain call failed at ./src/java.instrument/share/native/libinstrument/JPLISAgent.c line: 422
FATAL ERROR in native method: processing of -javaagent failed, processJavaStart failed

etc.