docs: fix typos and version for cli-docs-tool scripts

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 64a3fb82dc)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/generate/go.mod

@@ -7,7 +7,7 @@ go 1.16
 
 //require (
 //	github.com/docker/cli v0.0.0+incompatible
-//	github.com/docker/cli-docs-tool v0.5.0
+//	github.com/docker/cli-docs-tool v0.8.0
 //)
 //
 //replace github.com/docker/cli v0.0.0+incompatible => ../../

scripts/docs/generate-md.sh

@@ -20,7 +20,7 @@ trap clean EXIT
   # init dummy go.mod
   ./scripts/vendor init
   # install cli-docs-tool and copy docs/tools.go in root folder
-  # to be able to fetch the required depedencies
+  # to be able to fetch the required dependencies
   go mod edit -modfile=vendor.mod -require=github.com/docker/cli-docs-tool@${CLI_DOCS_TOOL_VERSION}
   cp docs/generate/tools.go .
   # update vendor

scripts/docs/generate-yaml.sh

@@ -20,7 +20,7 @@ trap clean EXIT
   # init dummy go.mod
   ./scripts/vendor init
   # install cli-docs-tool and copy docs/tools.go in root folder
-  # to be able to fetch the required depedencies
+  # to be able to fetch the required dependencies
   go mod edit -modfile=vendor.mod -require=github.com/docker/cli-docs-tool@${CLI_DOCS_TOOL_VERSION}
   cp docs/generate/tools.go .
   # update vendor