i3-gaps: update to 4.15.

Closes: #12382 [via git-merge-pr]

srcpkgs/i3-gaps/template

@@ -1,6 +1,6 @@
 # Template file for 'i3-gaps'
 pkgname=i3-gaps
-version=4.14.1
+version=4.15
 revision=1
 build_style=gnu-configure
 configure_args="--disable-builddir"
@@ -12,10 +12,10 @@ makedepends="pcre-devel yajl-devel libxcb-devel libev-devel
 conf_files="/etc/i3/config /etc/i3/config.keycodes"
 short_desc="Improved tiling window manager - i3 fork with more features"
 maintainer="ian c. <ian@airmail.cc>"
-license="BSD"
+license="BSD-3-Clause"
 homepage="https://github.com/Airblader/i3"
 distfiles="${homepage}/archive/${version}.tar.gz>${version}.tar.gz"
-checksum=47a226a5a750a6146ad47d56a7a45d7d71fea18e833b6b9565f45205c99bd685
+checksum=8059e4694eebcc5208e48e4d89522e970cc5ece1f66328e9a7f9d37e2d90ac26
 wrksrc=i3-${version}
 
 provides="i3-${version}_${revision}"