Add ebuild for forgejo-runner 12.6.2.

Also, corresponding user and group ebuilds.

Signed-off-by: Manuel Friedli <manuel@fritteli.ch>

metadata/md5-cache/acct-group/forgejo-runner-0

@@ -0,0 +1,8 @@
+DEFINED_PHASES=install preinst pretend
+DESCRIPTION=Group used for the forgejo-runner
+EAPI=8
+INHERIT=acct-group
+KEYWORDS=~amd64
+SLOT=0
+_eclasses_=user-info	563da40a1a20ea1e55bbf4d149fc190d	acct-group	75df1c6be0fa643823bd4283c4abd422
+_md5_=b72701ce2ec0d7b792ba7779ed76def3

metadata/md5-cache/acct-user/forgejo-runner-0

@@ -0,0 +1,9 @@
+DEFINED_PHASES=install postinst preinst prerm pretend
+DESCRIPTION=User for the forgejo-runner
+EAPI=8
+INHERIT=acct-user
+KEYWORDS=~amd64
+RDEPEND=acct-group/forgejo-runner acct-group/docker
+SLOT=0
+_eclasses_=user-info	563da40a1a20ea1e55bbf4d149fc190d	acct-user	ca29416d617e4fd224258d5cf916bf33
+_md5_=7d0ee522e905dae91e026d471f05edca

metadata/md5-cache/dev-util/forgejo-runner-12.6.2

@@ -0,0 +1,16 @@
+BDEPEND=>=dev-lang/go-1.20:= app-arch/unzip virtual/pkgconfig
+DEFINED_PHASES=compile install unpack
+DEPEND=acct-group/forgejo-runner acct-user/forgejo-runner >=dev-lang/go-1.24.0
+DESCRIPTION=A daemon that connects to a Forgejo instance and runs jobs for CI
+EAPI=8
+HOMEPAGE=https://code.forgejo.org/forgejo/runner https://forgejo.org/docs/next/admin/actions/
+INHERIT=go-module systemd
+IUSE=examples
+KEYWORDS=~amd64 ~arm64
+LICENSE=MIT
+RDEPEND=app-containers/docker
+RESTRICT=test
+SLOT=0
+SRC_URI=https://code.forgejo.org/forgejo/runner/archive/v12.6.2.tar.gz -> forgejo-runner-12.6.2.tar.gz https://github.com/gentoo-golang-dist/forgejo-runner/releases/download/v12.6.2/forgejo-runner-12.6.2-deps.tar.xz
+_eclasses_=multiprocessing	1e32df7deee68372153dca65f4a7c21f	toolchain-funcs	30214924c0c3b92ec7dbf24fc70d60d3	flag-o-matic	a7afe42e95fb46ce9691605acfb24672	go-env	0e2babf96e7d0b045fc07ad199eb2399	go-module	d96f2a2fd6d8fbad6d94516bf238f885	systemd	a964c0cbe818b5729da1dbfcee5be861
+_md5_=bbd2eeb64ec07a992f74005ef54e7bb2