app-backup/kopia: add go to BDEPEND

Kopia's go.mod specifies go version 1.25.0, but this wasn't explicitly
listed in its BDEPEND when it should have been.

Closes: https://bugs.gentoo.org/974561
Signed-off-by: Itai Ferber <itai@itaiferber.net>

app-backup/kopia/kopia-0.22.3-r1.ebuild

@@ -0,0 +1,32 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit go-module
+
+DESCRIPTION="Kopia - Fast And Secure Open-Source Backup"
+HOMEPAGE="https://github.com/kopia/kopia"
+SRC_URI="
+	https://github.com/kopia/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/itaiferber/gentoo-distfiles/releases/download/${CATEGORY}/${P}/${P}-deps.tar.xz
+"
+
+LICENSE="Apache-2.0 BSD BSD-2 CC0-1.0 MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64"
+
+BDEPEND=">=dev-lang/go-1.25"
+
+src_compile() {
+	ego build -v -x -work -o ${PN}
+}
+
+src_test() {
+	ego test -v $(ego list ./... | grep -v /vendor/)
+}
+
+src_install() {
+	dobin ${PN}
+	einstalldocs
+}