MM-28737: Upgrade dependencies (#15877)

https://mattermost.atlassian.net/browse/MM-28737

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

vendor/github.com/felixge/httpsnoop/Makefile

@@ -0,0 +1,10 @@
+.PHONY: ci generate clean
+
+ci: clean generate
+	go test -v ./...
+
+generate:
+	go generate .
+
+clean:
+	rm -rf *_generated*.go