community/mongodb-tools: move from non-free

Turns out it is actually Apache-2.0 and doesn't depend on mongodb
itself.

fixes #10994
7 jobs for !1660 with mongodb-tools in 7 minutes and 54 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #17706
docker-alpine x86_64
lint

00:00:26

 
  Build
passed #17711
docker-alpine ci-build aarch64
build-aarch64

00:03:28

passed #17712
docker-alpine ci-build armv7
build-armv7

00:03:46

passed #17710
docker-alpine ci-build ppc64le
build-ppc64le

00:06:24

passed #17709
docker-alpine ci-build s390x
build-s390x

00:01:02

passed #17708
docker-alpine ci-build x86
build-x86

00:02:27

passed #17707
docker-alpine ci-build x86_64
build-x86_64

00:02:04