vendor: update all dependencies to latest versions

vendor/cloud.google.com/go/bigtable/cmd/cbt/cbtdoc.go

@@ -17,7 +17,9 @@
 //go:generate go run cbt.go -o cbtdoc.go doc
 
 /*
-Cbt is a tool for doing basic interactions with Cloud Bigtable.
+Cbt is a tool for doing basic interactions with Cloud Bigtable. To learn how to
+install the cbt tool, see the
+[cbt overview](https://cloud.google.com/bigtable/docs/go/cbt-overview).
 
 Usage:
 
@@ -28,6 +30,7 @@ The commands are:
 	count                     Count rows in a table
 	createfamily              Create a column family
 	createtable               Create a table
+	deletecolumn              Delete all cells in a column
 	deletefamily              Delete a column family
 	deleterow                 Delete a row
 	deletetable               Delete a table
@@ -40,13 +43,14 @@ The commands are:
 	read                      Read rows
 	set                       Set value of a cell
 	setgcpolicy               Set the GC policy for a column family
+	version                   Print the current cbt version
 
 Use "cbt help <command>" for more information about a command.
 
 The options are:
 
 	-project string
-		project ID
+		project ID, if unset uses gcloud configured project
 	-instance string
 		Cloud Bigtable instance
 	-creds string
@@ -72,7 +76,16 @@ Usage:
 Create a table
 
 Usage:
-	cbt createtable <table>
+	cbt createtable <table> [initial_splits...]
+	  initial_splits=row		A row key to be used to initially split the table into multiple tablets. Can be repeated to create multiple splits.
+
+
+
+
+Delete all cells in a column
+
+Usage:
+	cbt deletecolumn <table> <row> <family> <column>
 
 
 
@@ -153,10 +166,11 @@ Usage:
 Read rows
 
 Usage:
-	cbt read <table> [start=<row>] [end=<row>] [prefix=<prefix>] [count=<n>]
+	cbt read <table> [start=<row>] [end=<row>] [prefix=<prefix>] [regex=<regex>] [count=<n>]
 	  start=<row>		Start reading at this row
 	  end=<row>		Stop reading before this row
 	  prefix=<prefix>	Read rows with this prefix
+	  regex=<regex> 	Read rows with keys matching this regex
 	  count=<n>		Read only this many rows
 
 
@@ -187,5 +201,13 @@ Usage:
 
 
 
+Print the current cbt version
+
+Usage:
+	cbt version
+
+
+
+
 */
 package main