Update dependencies (#1851)

vendor/github.com/gomarkdown/markdown/.gitpod.yml

@@ -0,0 +1,9 @@
+# This configuration file was automatically generated by Gitpod.
+# Please adjust to your needs (see https://www.gitpod.io/docs/config-gitpod-file)
+# and commit this file to your remote git repository to share the goodness with others.
+
+tasks:
+  - init: go get && go build ./... && go test ./...
+    command: go run
+
+