chore(ci): use fork to gen cmd docs

Signed-off-by: Carlos A Becker <caarlos0@gmail.com>

scripts/cmd_docs.sh

@@ -7,7 +7,12 @@ if which gsed >/dev/null 2>&1; then
 fi
 
 rm -rf www/docs/cmd/*.md
+
+git checkout -- go.*
+go mod edit -replace github.com/spf13/cobra=github.com/caarlos0/cobra@completions-md
+go mod tidy
 go run ./cmd/nfpm docs
+
 "$SED" \
 	-i'' \
 	-e 's/SEE ALSO/See also/g' \
@@ -16,3 +21,6 @@ go run ./cmd/nfpm docs
 	-e 's/^#### /### /g' \
 	-e 's/^##### /#### /g' \
 	./www/docs/cmd/*.md
+
+
+git checkout -- go.*

www/docs/cmd/nfpm_completion_bash.md

@@ -12,7 +12,7 @@ If it is not installed already, you can install it via your OS's package manager
 
 To load completions in your current shell session:
 
-	$ source <(nfpm completion bash)
+	source <(nfpm completion bash)
 
 To load completions for every new session, execute once: