Xe/show error state (#1203)

* fix(lib): show error message detail when hitting some common flows

Instead of giving the user nothing to go off of, this patch gives them
an opaque blob of ROT-13 encoded base64. The logic is that if you are
smart enough to figure out how to decode this, you're probably smart
enough to either fix your broken client or give it to the adminstrator.

Signed-off-by: Xe Iaso <me@xeiaso.net>

* docs: update CHANGELOG

Signed-off-by: Xe Iaso <me@xeiaso.net>

* Update metadata

check-spelling run (pull_request) for Xe/show-error-state

Signed-off-by: check-spelling-bot <check-spelling-bot@users.noreply.github.com>
on-behalf-of: @check-spelling <check-spelling-bot@check-spelling.dev>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>
Signed-off-by: check-spelling-bot <check-spelling-bot@users.noreply.github.com>

.github/actions/spelling/expect.txt

@@ -137,6 +137,7 @@ gptbot
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+gzw
 Hashcash
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@@ -288,7 +289,6 @@ Sidetrade
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-Smartphone
 sni
 Spambot
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@@ -368,7 +368,6 @@ Yda
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