Add error handling middleware #77

Job	Run time
Integration test / Windows (6.0)	3s
Integration test / Windows (nightly-6.0)	1s
Integration test / Linux (5.9)	1m 32s
Integration test / Windows (nightly-main)	3s
Integration test / Linux (5.10)	1m 32s
Integration test / Linux (6.0)	1m 54s
Soundness / Documentation check	1m 2s
Soundness / Broken symlinks check	3s
Soundness / Format check	35s
Integration test / Linux (nightly-6.0)	2m 12s
Integration test / Linux (nightly-main)	30s
Soundness / Shell check	33s
Soundness / License headers check	8s
Soundness / Unacceptable language check	5s
Soundness / Python lint check	8s
Soundness / YAML lint check	5s
Soundness / API breakage check	55s
Unit tests / Unit tests / Linux (5.9)	46s
Unit tests / Unit tests / Windows (nightly-6.0)	2s
Unit tests / Unit tests / Windows (6.0)	3s
Unit tests / Unit tests / Linux (5.10)	47s
Unit tests / Unit tests / Windows (nightly-main)	2s
Unit tests / Unit tests / Linux (6.0)	53s
Unit tests / Unit tests / Linux (nightly-6.0)	1m 7s
Unit tests / Unit tests / Linux (nightly-main)	30s
	15m 31s

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