Limit the cache inputs for the docs rss and schema tasks (vercel#4640)

Author: mehulkar

docs/turbo.json

@@ -14,12 +14,17 @@
       "dependsOn": ["^build", "rss", "schema"]
     },
     "dev": {
-      "dependsOn": ["schema"]
+      "dependsOn": ["schema"],
+      "persistent": true,
+      "cache": false
     },
     "schema": {
+      "inputs": [], // None of the files in this workspace matter
+      "dependsOn": ["@turbo/types#topo"],
       "outputs": ["public/schema.json"]
     },
     "rss": {
+      "inputs": ["pages/blog/**", "scripts/generate-rss.js"],
       "outputs": ["public/feed.xml"]
     }
   }

packages/turbo-types/turbo.json

@@ -0,0 +1,8 @@
+{
+  "extends": ["//"],
+  "pipeline": {
+    // This task exists so the docs workspace
+    // can watch this workspace for file changes.
+    "topo": {}
+  }
+}

turbo.json

@@ -18,9 +18,6 @@
     "check-types": {
       "dependsOn": ["^build"]
     },
-    "dev": {
-      "cache": false
-    },
     "//#build:ts": {
       "outputs": ["packages/**/dist"]
     },