chore: fix fossa excludes using paths

[pvlugter]

Fossa was not skipping the excluded targets. Couldn't figure out why or how to make target excludes work here. Switch to path excludes (as we're using for akka).

fossa analyze --output before:

18 projects scanned;  1 skipped,  17 succeeded,  0 failed,  17 analysis warnings

* scala project in "/Users/peter/dev/akka/akka-http/akka-http-bench-jmh/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-bill-of-materials/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-caching/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-compatibility-tests/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-core/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-java/akka-http-jackson/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-java/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/akka-http-spray-json/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/akka-http-xml/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-scalafix/scalafix-rules/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-testkit/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-tests/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http2-support/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-parsing/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/docs/target/scala-2.13/": skipped (non-production path filtering)

With path excludes it skips the excluded projects:

18 projects scanned;  3 skipped,  15 succeeded,  0 failed,  15 analysis warnings

* scala project in "/Users/peter/dev/akka/akka-http/akka-http-bill-of-materials/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-caching/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-core/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-java/akka-http-jackson/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-java/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/akka-http-spray-json/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/akka-http-xml/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-marshallers-scala/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-scalafix/scalafix-rules/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-testkit/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-tests/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http2-support/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-parsing/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/target/scala-2.13/": succeeded with 1 warning
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-bench-jmh/target/scala-2.13/": skipped (exclusion filters)
* scala project in "/Users/peter/dev/akka/akka-http/akka-http-compatibility-tests/target/scala-2.13/": skipped (exclusion filters)
* scala project in "/Users/peter/dev/akka/akka-http/docs/target/scala-2.13/": skipped (non-production path filtering)

[octonato]

LGTM