Upgrade guide: Add guidance for removing empty strings from `provider…

…` blocks (#9048) (#1480)

* Add guidance for removing empty strings from `provider` blocks

* Update code block to use tf formatting, instead of diff

Signed-off-by: Modular Magician <magic-modules@google.com>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/hashicorp/hcl/v2 v2.14.1
 	github.com/hashicorp/terraform-json v0.14.0
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.24.0
-	github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230921192357-2b630c8cddd3
+	github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230922160135-0489d820103d
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.8.3

go.sum

@@ -183,8 +183,8 @@ github.com/hashicorp/terraform-plugin-log v0.7.0/go.mod h1:p4R1jWBXRTvL4odmEkFfD
 github.com/hashicorp/terraform-plugin-mux v0.8.0 h1:WCTP66mZ+iIaIrCNJnjPEYnVjawTshnDJu12BcXK1EI=
 github.com/hashicorp/terraform-plugin-sdk/v2 v2.24.0 h1:FtCLTiTcykdsURXPt/ku7fYXm3y19nbzbZcUxHx9RbI=
 github.com/hashicorp/terraform-plugin-sdk/v2 v2.24.0/go.mod h1:80wf5oad1tW+oLnbXS4UTYmDCrl7BuN1Q+IA91X1a4Y=
-github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230921192357-2b630c8cddd3 h1:WDENvugxPSOl5SBb7RyjWKVqQbCeGUCnOnlonnZ5SSU=
-github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230921192357-2b630c8cddd3/go.mod h1:PK7PrQnwlP2eFuSyQD0/txEh4sF50euI3EYbd3GkZik=
+github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230922160135-0489d820103d h1:cZ+wboTUpJpOH4ph5k+tdm7b6usyw2LuB3thV+t/EEQ=
+github.com/hashicorp/terraform-provider-google-beta v1.20.1-0.20230922160135-0489d820103d/go.mod h1:PK7PrQnwlP2eFuSyQD0/txEh4sF50euI3EYbd3GkZik=
 github.com/hashicorp/terraform-registry-address v0.1.0 h1:W6JkV9wbum+m516rCl5/NjKxCyTVaaUBbzYcMzBDO3U=
 github.com/hashicorp/terraform-registry-address v0.1.0/go.mod h1:EnyO2jYO6j29DTHbJcm00E5nQTFeTtyZH3H5ycydQ5A=
 github.com/hashicorp/terraform-svchost v0.0.0-20200729002733-f050f53b9734 h1:HKLsbzeOsfXmKNpr3GiT18XAblV0BjCbzL8KQAMZGa0=