asterisk: 24.0.0-rc3, TLS trunks qualified again

rc3 checks a qualify's certificate against the host name, so TLS trunks get
qualify_frequency = 60 and Test qualifies them. The upgrade check and
pnpm test:asterisk pass on rc3. Spec 01's copy of the Dockerfile is in sync
again, and the version test now compares all of it.

asterisk/Dockerfile

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 FROM debian:trixie-slim AS build
-ARG ASTERISK_VERSION=24.0.0-rc2
+ARG ASTERISK_VERSION=24.0.0-rc3
 ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y --no-install-recommends \
       build-essential ca-certificates curl wget pkg-config autoconf automake libtool \