lmcp: bump to v0.5.2 (shell_bg + remote_shell_bg)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

arch/lmcp/PKGBUILD

@@ -3,7 +3,7 @@
 # Source of truth: git.reauktion.de/marfrit/lmcp
 
 pkgname=lmcp
-pkgver=0.5.1
+pkgver=0.5.2
 pkgrel=1
 pkgdesc="Lightweight MCP (Model Context Protocol) server in pure Lua"
 arch=('any')
@@ -11,7 +11,7 @@ url="https://git.reauktion.de/marfrit/lmcp"
 license=('MIT')
 depends=('lua' 'lua-socket')
 source=("${pkgname}-${pkgver}.tar.gz::https://git.reauktion.de/marfrit/lmcp/archive/v${pkgver}.tar.gz")
-sha256sums=('7c15a00f586c52fc0963334ff86ad6981eb55c6d5211466b069b003dc9434952')
+sha256sums=('5a5945e6f2511f440de8e961b82ec3deaab5e77cc9208c9999e831fbc33d702d')
 
 package() {
     cd "${pkgname}"