various: Bump Go ports for 1.24.13

various: Bump Go ports for 1.24.12

many: Unpin Go ports

* Ports that were pinned to a deprecated version of Go (1.23 or older)
  have been unpinned.

* Ports that were pinned to a still-supported version of Go (1.24 or
  newer) have been converted to requesting that as their minimum Go
  version.

* Ports that had been forcibly deprecated for pinning an expired Go
  version have been undeprecated.

many: Unsupported Go dep; deprecate and schedule for removal

There are about 75 ports that depend on old, unsupported Go
versions. I've scheduled those Go versions for deletions on
2025/01/01, and so these ports are scheduled for removal on
that same day.

HOWEVER....

Likely NONE or VERY VERY FEW of these ports will actually need
to be deleted! This stems from a misunderstanding:

When go.mod says "go 1.23", it means that it requires AT LEAST
go-1.23. Locking a port to a specific go version should almost
never happen; it is reserved for when a package absolutely

devel/etcd36: Update to 3.6.5

Also, mark as NOT_FOR_ARCHS=aarch64 due to the following error:

    ===> Fetching go.etcd.io/etcd/v3 dependencies
    go: downloading go1.23.8 (freebsd/arm64)
    go: download go1.23.8: Lock
   
/home/freebsd-ports/distfiles/go/devel_etcd36/pkg/mod/cache/download/golang.org/toolchain/@v/v0.0.1-go1.23.8.freebsd-arm64.lock:
no locks available

Reported by:	Eirik Øverby
Sponsored by:	Entersekt

go123 ports: Bump for 1.23.12

devel/etcd36: Add version 3.6.0 of etcd

This is still a release candidate, so consider waiting for the final
release before upgrading from 3.5.

Sponsored by:	Entersekt (previously Modirum MDpay)