bump required libosmocore version to 0.9.5

0.9.5 tags the version from which on DLGSUP is properly handled in
libosmocore's internal logging.

This bump follows up on previous osmo-hlr change
I74ab1a031d1ed144468b016294d2965eba5e7d1d.

Change-Id: I2af7a9eff3f116bd3bd02edd42e6e0a64f8280cd
1 file changed