build: upgrade dependencies and build with go 1.21

vendor/github.com/moby/term/.gitignore

@@ -0,0 +1,8 @@
+# if you want to ignore files created by your editor/tools, consider using a
+# global .gitignore or .git/info/exclude see https://help.github.com/articles/ignoring-files
+.*
+!.github
+!.gitignore
+profile.out
+# support running go modules in vendor mode for local development
+vendor/