fix remaining TOML imports (no Pkg)

Author: mortenpi

src/PkgAuthentication.jl

@@ -200,7 +200,7 @@ function step(state::NeedRefresh)::Union{HasNewToken, NoAuthentication}
     # errors are recoverable by just getting a new token:
     if response isa Downloads.Response && response.status == 200
         try
-            body = Pkg.TOML.parse(String(take!(output)))
+            body = TOML.parse(String(take!(output)))
             let msg = "token refresh response"
                 assert_dict_keys(body, "access_token", "id_token"; msg=msg)
                 assert_dict_keys(body, "expires_in"; msg=msg)

test/authserver.jl

@@ -1,5 +1,5 @@
 using HTTP, Random, JSON
-import Pkg: TOML
+import TOML
 
 const EXPIRY = 30
 const CHALLENGE_EXPIRY = 10