feat(all): Task store

implements:
https://github.com/meilisearch/specifications/blob/develop/text/0060-refashion-updates-apis.md

linked PR:

- #1889
- #1891
- #1892
- #1902
- #1906
- #1911
- #1914
- #1915
- #1916
- #1918
- #1924
- #1925
- #1926
- #1930
- #1936
- #1937
- #1942
- #1944
- #1945
- #1946
- #1947
- #1950
- #1951
- #1957
- #1959
- #1960
- #1961
- #1962
- #1964

- https://github.com/meilisearch/milli/pull/414
- https://github.com/meilisearch/milli/pull/409
- https://github.com/meilisearch/milli/pull/406
- https://github.com/meilisearch/milli/pull/418

- close #1687
- close #1786
- close #1940
- close #1948
- close #1949
- close #1932
- close #1956

meilisearch-error/Cargo.toml

@@ -6,4 +6,11 @@ edition = "2018"
 
 [dependencies]
 actix-http = "=3.0.0-beta.10"
+actix-web = "4.0.0-beta.9"
+proptest = { version = "1.0.0", optional = true }
+proptest-derive = { version = "0.3.0", optional = true }
 serde = { version = "1.0.130", features = ["derive"] }
+serde_json = "1.0.69"
+
+[features]
+test-traits = ["proptest", "proptest-derive"]