acct-user/forgejo-runner: default to USE=docker

dev-util/forgejo-runner defaults to it as well

Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>

acct-user/forgejo-runner/forgejo-runner-0.ebuild

@@ -7,7 +7,7 @@ inherit acct-user
 
 DESCRIPTION="Forgejo-Runner user account"
 
-IUSE="docker podman lxc"
+IUSE="+docker podman lxc"
 
 ACCT_USER_HOME="/var/lib/${PN}"
 ACCT_USER_ID=-1

dev-util/forgejo-runner/forgejo-runner-9999.ebuild

@@ -22,7 +22,7 @@ fi
 
 LICENSE="MIT"
 SLOT="0"
-IUSE="examples docker podman lxc"
+IUSE="+docker examples podman lxc"
 RESTRICT="test"
 REQUIRED_USE="|| ( docker podman lxc )"