Bump golang to 1.23rc2

Although 1.23 has not been released yet, dependabot has already bumped
to 1.23 in Korifi docker images. Therefore it makes no sense to stick to
1.22 when writing the code

provision.sh

@@ -184,7 +184,7 @@ install_golang() {
   echo ">>> Installing Golang"
   rm -rf /usr/local/go
 
-  GO_VERSION=1.22.1
+  GO_VERSION=1.23rc2
   wget "https://go.dev/dl/go$GO_VERSION.linux-amd64.tar.gz"
   tar -C /usr/local -xzf "go$GO_VERSION.linux-amd64.tar.gz"
   rm "go$GO_VERSION.linux-amd64.tar.gz"