Update migration guide with Persisted Doc Hash Algorithm and ESM brea… #221

Job	Run time
Validating dev-tests (cjs)	2m 12s
Validating dev-tests (esm)	2m 12s
Examples - Normal	6m 23s
Testing exports integrity	2m 17s
Linting Check / eslint	2m 7s
🧹 Prettier Check	2m 12s
Unit Test on Node 24 (ubuntu-latest) and GraphQL v15	1m 56s
Unit Test on Node 24 (ubuntu-latest) and GraphQL v16	1m 46s
Unit Test on Node 20 (ubuntu-latest) and GraphQL v16	2m 1s
Unit Test on Node 20 (ubuntu-latest) and GraphQL v15	2m 20s
Watcher Unit Test on Node 20 (ubuntu-latest) and GraphQL v15	1m 44s
Watcher Unit Test on Node (windows-latest) and GraphQL v16	1m 35s
Watcher Unit Test on Node 20 (ubuntu-latest) and GraphQL v16	1m 30s
Unit Test on Node (windows-latest) and GraphQL v16	2m 13s
Unit Test on Node 22 (ubuntu-latest) and GraphQL v15	2m 2s
Unit Test on Node 22 (ubuntu-latest) and GraphQL v16	1m 51s
	36m 21s

Provide feedback