update Operating environment in README

Author: knonomura

README.md

@@ -12,17 +12,17 @@ Please refer to [C API Reference](http://griddb.github.io/docs-en/manuals/GridDB
 
 Library building and program execution are checked in the environment below.
 
-    OS: CentOS 7.6(x64) (gcc 4.8.5), Windows 10(x64) (VS2017, CMake 3.15.2)
-    GridDB server: V4.5 CE(Community Edition), CentOS 7.6(x64) (gcc 4.8.5)
+    OS: CentOS 7.9/8.3(x64) (gcc 10), Windows 10(x64) (VS2017, CMake 3.15.2)
+    GridDB server: V4.6 CE(Community Edition), CentOS 7.9(x64) (gcc 4.8.5)
 
-    OS: Ubuntu 18.04(x64) (gcc 7.5)
-    GridDB server: V4.5 CE(Community Edition), Ubuntu 18.04(x64) (gcc 4.8.5)
+    OS: Ubuntu 20.04(x64) (gcc 10)
+    GridDB server: V4.6 CE(Community Edition), Ubuntu 18.04(x64) (gcc 4.8.5)
 
-    OS: openSUSE 15.1(x64) (gcc 7.5)
-    GridDB server: V4.5 CE(Community Edition), openSUSE 15.1(x64) (gcc 4.8.5)
+    OS: openSUSE 15.1(x64) (gcc 10)
+    GridDB server: V4.6 CE(Community Edition), openSUSE 15.1(x64) (gcc 4.8.5)
 
     OS: MacOS Catalina 10.15 (clang 11.0.3)
-    GridDB server: V4.5 CE(Community Edition), CentOS 7.8(x64) (gcc 4.8.5)
+    GridDB server: V4.6 CE(Community Edition), CentOS 7.9(x64) (gcc 4.8.5)
 
 ## Quick start (CentOS, Ubuntu, openSUSE)
 

README_ja.md

@@ -12,17 +12,17 @@ GridDB CクライアントはC言語用のインタフェースを提供しま
 
 以下の環境でCクライアントのビルドとサンプルプログラムの実行を確認しています。
 
-    OS: CentOS 7.6(x64) (gcc 4.8.5), Windows 10(x64) (VS2017, CMake 3.15.2)
-    GridDB server: V4.5 CE(Community Edition), CentOS 7.6(x64) (gcc 4.8.5)
+    OS: CentOS 7.9/8.3(x64) (gcc 10), Windows 10(x64) (VS2017, CMake 3.15.2)
+    GridDB server: V4.6 CE(Community Edition), CentOS 7.9(x64) (gcc 4.8.5)
 
-    OS: Ubuntu 18.04(x64) (gcc 7.5)
-    GridDB server: V4.5 CE(Community Edition), Ubuntu 18.04(x64) (gcc 4.8.5)
+    OS: Ubuntu 20.04(x64) (gcc 10)
+    GridDB server: V4.6 CE(Community Edition), Ubuntu 18.04(x64) (gcc 4.8.5)
 
-    OS: openSUSE 15.1(x64) (gcc 7.5)
-    GridDB server: V4.5 CE(Community Edition), openSUSE 15.1(x64) (gcc 4.8.5)
+    OS: openSUSE 15.1(x64) (gcc 10)
+    GridDB server: V4.6 CE(Community Edition), openSUSE 15.1(x64) (gcc 4.8.5)
 
     OS: MacOS Catalina 10.15 (clang 11.0.3)
-    GridDB server: V4.5 CE(Community Edition), CentOS 7.8(x64) (gcc 4.8.5)
+    GridDB server: V4.6 CE(Community Edition), CentOS 7.9(x64) (gcc 4.8.5)
 
 ## クイックスタート(CentOS, Ubuntu, openSUSE)