TEMP: upgrade go-tfe to a6b881f50424b770f23fa11e60d9d7fa4ee2cb66

This is the commit from hashicorp/go-tfe#798, which is a
prerequisite of the impending work. It should be replaced with a commit that
updates go-tfe to a released version with the required feature before merge. If
you see this commit log on main, someone done messed up!

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.4 // indirect
 	github.com/hashicorp/go-slug v0.13.0
-	github.com/hashicorp/go-tfe v1.38.0
+	github.com/hashicorp/go-tfe v1.38.1-0.20231031002424-a6b881f50424
 	github.com/hashicorp/go-version v1.6.0
 	github.com/hashicorp/hcl v1.0.0
 	github.com/hashicorp/hcl/v2 v2.18.0 // indirect

go.sum

@@ -62,6 +62,8 @@ github.com/hashicorp/go-slug v0.13.0 h1:3mYM2jpoRxSvWGY/GBKtK9eagcx48UVZRGP037+r
 github.com/hashicorp/go-slug v0.13.0/go.mod h1:JZVtycnZZbiJ4oxpJ/zfhyfBD8XxT4f0uOSyjNLCqFY=
 github.com/hashicorp/go-tfe v1.38.0 h1:R1b5CQ/B+91pIZA36Es509FBoBlxYC8PQ0/sBT4Lxys=
 github.com/hashicorp/go-tfe v1.38.0/go.mod h1:awOuTZ4K9F1EJsKBIoxonJlb7Axn3PIb8YeBLtm/G/0=
+github.com/hashicorp/go-tfe v1.38.1-0.20231031002424-a6b881f50424 h1:dtLlKFQ3p2uz+5Kx3RFhU7/yzfs70meQ/cR87ZYgVoc=
+github.com/hashicorp/go-tfe v1.38.1-0.20231031002424-a6b881f50424/go.mod h1:awOuTZ4K9F1EJsKBIoxonJlb7Axn3PIb8YeBLtm/G/0=
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/go-uuid v1.0.3 h1:2gKiV6YVmrJ1i2CKKa9obLvRieoRGviZFL26PcT/Co8=
 github.com/hashicorp/go-uuid v1.0.3/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=