add focal version for some base packages (ros#24193)

and switch to wildcard notation where the names have been stable for the
last couple of releases

rosdep/base.yaml

@@ -2011,12 +2011,9 @@ libfcl-dev:
  gentoo: [sci-libs/fcl]
  openembedded: [fcl@meta-ros]
  ubuntu:
- artful: [libfcl-dev]
- bionic: [libfcl-dev]
+ '*': [libfcl-dev]
  wily: [libfcl-0.5-dev]
  xenial: [libfcl-0.5-dev]
- yakkety: [libfcl-dev]
- zesty: [libfcl-dev]
 libffi-dev:
  debian: [libffi-dev]
  fedora: [libffi-devel]
@@ -2352,18 +2349,14 @@ libgsl:
  gentoo: [sci-libs/gsl]
  macports: [gsl]
  ubuntu:
- artful: [libgsl-dev]
- bionic: [libgsl-dev]
- cosmic: [libgsl-dev]
+ '*': [libgsl-dev]
  precise: [libgsl0-dev]
  raring: [libgsl0-dev]
  saucy: [libgsl0-dev]
  trusty: [libgsl0-dev]
  utopic: [libgsl0-dev]
  vivid: [libgsl0-dev]
  wily: [libgsl0-dev]
- xenial: [libgsl-dev]
- yakkety: [libgsl-dev]
 libgstreamer-plugins-base0.10-0:
  arch: [gstreamer0.10-base-plugins]
  debian:
@@ -3060,8 +3053,7 @@ libpng-dev:
  opensuse: [libpng12-devel]
  slackware: [libpng]
  ubuntu:
- artful: [libpng-dev]
- bionic: [libpng-dev]
+ '*': [libpng-dev]
  precise: [libpng12-dev]
  quantal: [libpng12-dev]
  raring: [libpng12-dev]
@@ -3071,8 +3063,6 @@ libpng-dev:
  vivid: [libpng12-dev]
  wily: [libpng12-dev]
  xenial: [libpng12-dev]
- yakkety: [libpng-dev]
- zesty: [libpng-dev]
 libpng12-dev:
  arch: [libpng]
  debian: [libpng12-dev]
@@ -4951,6 +4941,7 @@ protobuf:
  artful: [libprotobuf10]
  bionic: [libprotobuf10]
  cosmic: [libprotobuf10]
+ focal: [libprotobuf17]
  precise: [libprotobuf7]
  raring: [libprotobuf7]
  saucy: [libprotobuf7]