feat(prosody): use 0.12 nightly (#2061)

* feat(prosody): use 0.12 nightly, package can be overridden from build arg

* include proper package when tagging prosody docker version

prosody/Dockerfile

@@ -29,6 +29,7 @@ LABEL org.opencontainers.image.documentation="https://jitsi.github.io/handbook/"
 
 ARG VERSION_JITSI_CONTRIB_PROSODY_PLUGINS="20241017"
 ARG VERSION_MATRIX_USER_VERIFICATION_SERVICE_PLUGIN="1.8.0"
+ARG PROSODY_PACKAGE="prosody-0.12"
 
 RUN set -x && \
     wget -qO /etc/apt/trusted.gpg.d/prosody.gpg https://prosody.im/files/prosody-debian-packages.key && \
@@ -36,7 +37,7 @@ RUN set -x && \
     apt-dpkg-wrap apt-get update && \
     apt-dpkg-wrap apt-get install -y \
       lua5.4 \
-      prosody \
+      $PROSODY_PACKAGE \
       libldap-common \
       sasl2-bin \
       libsasl2-modules-ldap \