[Refactor] Introduce TranslatorContext (1/2) #107

Job	Run time
Compatibility test	5m 3s
Swift 6 Language Mode	0s
Integration test / Linux (5.8)	22s
Example packages / Linux (5.8)	23s
Integration test / Linux (5.9)	1m 34s
Example packages / Linux (5.9)	15m 56s
Integration test / Linux (5.10)	1m 39s
Example packages / Linux (5.10)	15m 13s
Soundness / API breakage check	2m 40s
Integration test / Linux (nightly-6.0)	2m 13s
Example packages / Linux (nightly-6.0)	22m 2s
Integration test / Linux (nightly-main)	28s
Example packages / Linux (nightly-main)	28s
Soundness / Broken symlinks check	9s
Soundness / Documentation check	1m 40s
Soundness / License headers check	4s
Soundness / Unacceptable language check	5s
Soundness / Format check	47s
Soundness / Shell check	32s
Unit tests / Unit tests / Linux (5.8)	23s
Unit tests / Unit tests / Linux (5.9)	1m 34s
Unit tests / Unit tests / Linux (5.10)	1m 32s
Unit tests / Unit tests / Linux (nightly-6.0)	2m 11s
Unit tests / Unit tests / Linux (nightly-main)	31s
	1h 17m 29s

Provide feedback