build: update to go 1.20 (#4866)

docs/content/en/contributing/development/environment.md

@@ -21,7 +21,7 @@ In order to build and contribute to __Authelia__, you need to make sure the foll
 * General:
   * [git]
 * Backend Development:
-  * [go] *(v1.19 or greater)*
+  * [go] *(v1.20 or greater)*
   * [gcc]
 * Frontend Development
   * [Node.js] *(v18 or greater)*

docs/netlify.toml

@@ -5,7 +5,7 @@
 [build.environment]
   NODE_VERSION = "16.18.1"
   NPM_VERSION = "8.19.2"
-  GO_VERSION = "1.19.4"
+  GO_VERSION = "1.20.0"
 
 [context.production]
   command = "pnpm run build"

go.mod

@@ -1,6 +1,6 @@
 module github.com/authelia/authelia/v4
 
-go 1.19
+go 1.20
 
 require (
 	github.com/Gurpartap/logrus-stack v0.0.0-20170710170904-89c00d8a28f4