Improve the user interface

Closes #163

* All googlesheets4-originating messages can be turned off
* Use the cli package

DESCRIPTION

@@ -23,6 +23,7 @@ Depends:
     R (>= 3.2)
 Imports: 
     cellranger,
+    cli,
     curl,
     gargle (>= 1.0.0),
     glue (>= 1.3.0),
@@ -49,9 +50,9 @@ Suggests:
 RdMacros: 
     lifecycle
 ByteCompile: true
+Config/testthat/edition: 3
 Encoding: UTF-8
 Language: en-US
 LazyData: true
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.1.1
-Config/testthat/edition: 3