bump go directive to 1.23

Signed-off-by: Spencer Schrock <[email protected]>

Author: spencerschrock

CONTRIBUTING.md

@@ -53,7 +53,7 @@ You must install these tools:
 1.  [`git`](https://help.github.com/articles/set-up-git/): For source control
 
 1.  [`go`](https://golang.org/doc/install): You need go version
-    [v1.22.0](https://golang.org/dl/) or higher.
+    [v1.23.0](https://golang.org/dl/) or higher.
 
 1.  [`protoc`](https://grpc.io/docs/protoc-installation/): `v3` or higher
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/ossf/scorecard/v5
 
-go 1.22.10
+go 1.23.0
 
 require (
 	cloud.google.com/go/bigquery v1.66.2

tools/go.mod

@@ -2,8 +2,6 @@ module github.com/ossf/scorecard/tools
 
 go 1.23.4
 
-toolchain go1.23.6
-
 require (
 	github.com/golang/mock v1.6.0
 	github.com/golangci/golangci-lint v1.64.6