🚚 Rename `ReadEntryContainer` to `EntryContainer` #1662

Job	Run time
rust_doc_test (ubuntu-latest, stable)	59s
rust_doc_test (ubuntu-latest, beta)	2m 1s
rust_doc_test (ubuntu-latest, nightly)	2m 8s
rust_doc_test (windows-latest, stable)	3m 18s
rust_doc_test (windows-latest, beta)	2m 13s
rust_doc_test (windows-latest, nightly)	3m 54s
rust_doc_test (macos-latest, stable)	1m 31s
rust_doc_test (macos-latest, beta)	2m 19s
rust_doc_test (macos-latest, nightly)	4m 30s
	22m 53s

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