Update dependency prometheus to v2.49.1-0

Seems like calling these tasks got removed at some point
while merge the `bye-bye-nginx-proxy` branch.

Update Draupnir to 1.86.0 and include changelog entry about new License

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/3095

This also supposedly improves the default container network for
`matrix-static-files` for the `other-traefik-container` reverse-proxy
type.

Update dependency prometheus to v2.49.0-0

Not that it seems necessary right now, but it makes it consistent with
all other roles.

Not that it seems necessary right now, but it makes it consistent with
all other roles.

This moves the comments from being just in Jinja,
to actually ending up in the generated `labels` file,
which makes inspection of the final result easier.

Also, some new lines were added here and there to make labels
more legible.

The generated file may still include weird new-lines due to
various `if` statements yielding content or not, but that's not so ugly
anymore - now that we have proper start/end sections that are visible in
the final `labels` file.

Like 4f9b7ba656.
Regression since 8e8c9cc03.

Auto-enabling the OIDC APIs is convenient for people
using the new `matrix_synapse_oidc_*` variables.