update Golang version to 1.20 (#13638)

pingcap · May 22, 2023 · cc88813 · cc88813
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diff --git a/hardware-and-software-requirements.md b/hardware-and-software-requirements.md
@@ -46,7 +46,7 @@ As an open-source distributed SQL database with high performance, TiDB can be de
 
 |  Libraries required for compiling and running TiDB |  Version   |
 |   :---   |   :---   |
-|   Golang  |  1.18.5 or later  |
+|   Golang  |  1.20 or later  |
 |   Rust    |   nightly-2022-07-31 or later  |
 |  GCC      |   7.x      |
 |  LLVM     |  13.0 or later  |

diff --git a/pd-control.md b/pd-control.md
@@ -33,7 +33,7 @@ To obtain `pd-ctl` of the latest version, download the TiDB server installation
 
 ### Compile from source code
 
-1. [Go](https://golang.org/) Version 1.19 or later because the Go modules are used.
+1. [Go](https://golang.org/) 1.20 or later is required because the Go modules are used.
 2. In the root directory of the [PD project](https://github.com/pingcap/pd), use the `make` or `make pd-ctl` command to compile and generate `bin/pd-ctl`.
 
 ## Usage

diff --git a/pd-recover.md b/pd-recover.md
@@ -10,7 +10,7 @@ PD Recover is a disaster recovery tool of PD, used to recover the PD cluster whi
 
 ## Compile from source code
 
-+ [Go](https://golang.org/) Version 1.19 or later is required because the Go modules are used.
++ [Go](https://golang.org/) 1.20 or later is required because the Go modules are used.
 + In the root directory of the [PD project](https://github.com/pingcap/pd), use the `make pd-recover` command to compile and generate `bin/pd-recover`.
 
 > **Note:**

diff --git a/tidb-control.md b/tidb-control.md
@@ -22,7 +22,7 @@ After installing TiUP, you can use `tiup ctl:v<CLUSTER_VERSION> tidb` command to
 
 ### Compile from source code
 
-- Compilation environment requirement: [Go](https://golang.org/) Version 1.19 or later
+- Compilation environment requirement: [Go](https://golang.org/) 1.20 or later
 - Compilation procedures: Go to the root directory of the [TiDB Control project](https://github.com/pingcap/tidb-ctl), use the `make` command to compile, and generate `tidb-ctl`.
 - Compilation documentation: you can find the help files in the `doc` directory; if the help files are lost or you want to update them, use the `make doc` command to generate the help files.