Clean up docker containers created by cypress tests (#11747)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

cypress/plugins/docker/index.ts

@@ -59,6 +59,7 @@ export async function dockerRun(opts: {
         "--name",
         `${opts.containerName}-${crypto.randomBytes(4).toString("hex")}`,
         "-d",
+        "--rm",
         ...params,
         opts.image,
     ];