Continuous Integration for Apache NuttX RTOS: Publish Failed Builds from Prometheus to Mastodon

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• "(Experimental) Mastodon Server for Apache NuttX Continuous Integration (macOS Rancher Desktop)"

To Post the Failed NuttX Jobs from Prometheus to Mastodon: run.sh

## Set the Access Token for Mastodon
## https://docs.joinmastodon.org/client/authorized/#token
## export MASTODON_TOKEN=...
. ../mastodon-token.sh

## Post the Failed Jobs from Prometheus to Mastodon
cargo run