Update to v7.5.2 rest specs (#51)

This commit updates the api_generator to use the v7.5.2 rest
specs, and updates the references to 7.5.1-alpha.1 package to
7.5.2-alpha.1, in preparation for the next release.

Author: russcam

README.md

@@ -65,7 +65,7 @@ that is compatible with the version of Elasticsearch you're using
 
 ```toml
 [dependencies]
-elasticsearch = "7.5.1-alpha1"
+elasticsearch = "7.5.2-alpha1"
 ```
 
 The following _optional_ dependencies may also be useful to create requests and read responses

api_generator/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "api_generator"
-version = "7.5.1-alpha.1"
+version = "7.5.2-alpha.1"
 description = "Generates source code for elasticsearch package, from the Elasticsearch REST API specs"
 authors = ["Elastic and Contributors"]
 edition = "2018"

api_generator/last_downloaded_version

@@ -1 +1 @@
-v7.5.1
+v7.5.2

docs/index.asciidoc

@@ -42,7 +42,7 @@ that is compatible with the version of Elasticsearch you're using
 [source,toml]
 ----
 [dependencies]
-elasticsearch = "7.5.1-alpha1"
+elasticsearch = "7.5.2-alpha1"
 ----
 
 The following _optional_ dependencies may also be useful to create requests and read responses

elasticsearch/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "elasticsearch"
-version = "7.5.1-alpha.1"
+version = "7.5.2-alpha.1"
 edition = "2018"
 authors = ["Elastic and Contributors"]
 description = "Official Elasticsearch Rust client"

elasticsearch/src/lib.rs

@@ -36,7 +36,7 @@
 //!
 //! ```toml,no_run
 //! [dependencies]
-//! elasticsearch = "7.5.1-alpha.1"
+//! elasticsearch = "7.5.2-alpha.1"
 //! ```
 //! The following _optional_ dependencies may also be useful to create requests and read responses
 //!