Update PKGBUILD. It doesn't conflict with libsdbus package. It's outdated.

libsdbus-c++0/PKGBUILD

@@ -9,8 +9,8 @@ license=("GPL2")
 arch=("x86_64")
 depends=("glibc>=2.14" "gcc-libs>=3.0" "systemd-libs>=243")
 makedepends=()
-conflicts=("sdbus-cpp")
-replaces=("sdbus-cpp")
+conflicts=()
+replaces=()
 backup=()
 # https://packages.debian.org/bullseye/amd64/libsdbus-c++0/download
 source=("source.deb::http://http.us.debian.org/debian/pool/main/s/sdbus-cpp/libsdbus-c++0_0.8.3-4_amd64.deb")