Remove duplicate code and reduce GET calls

.gitignore

@@ -122,8 +122,3 @@ out
 
 tags
 tags.*
-
-schedule.etag
-schedule.json
-security.etag
-security.json

action.js

@@ -1,5 +1,5 @@
 const core = require('@actions/core')
-const { isNodeVulnerable } = require('./index')
+const { isNodeVulnerable } = require('./src/index')
 
 async function run () {
   // Inputs

cache/schedule.etag.json

@@ -0,0 +1 @@
+"f333f2f1aaaec1ea47b3107fd989b1e1a736a46106a5910fc2f8672a01ba6754"

cache/schedule.json

@@ -0,0 +1,141 @@
+{
+  "v0.8": {
+    "start": "2012-06-25",
+    "end": "2014-07-31"
+  },
+  "v0.10": {
+    "start": "2013-03-11",
+    "end": "2016-10-31"
+  },
+  "v0.12": {
+    "start": "2015-02-06",
+    "end": "2016-12-31"
+  },
+  "v4": {
+    "start": "2015-09-08",
+    "lts": "2015-10-12",
+    "maintenance": "2017-04-01",
+    "end": "2018-04-30",
+    "codename": "Argon"
+  },
+  "v5": {
+    "start": "2015-10-29",
+    "maintenance": "2016-04-30",
+    "end": "2016-06-30"
+  },
+  "v6": {
+    "start": "2016-04-26",
+    "lts": "2016-10-18",
+    "maintenance": "2018-04-30",
+    "end": "2019-04-30",
+    "codename": "Boron"
+  },
+  "v7": {
+    "start": "2016-10-25",
+    "maintenance": "2017-04-30",
+    "end": "2017-06-30"
+  },
+  "v8": {
+    "start": "2017-05-30",
+    "lts": "2017-10-31",
+    "maintenance": "2019-01-01",
+    "end": "2019-12-31",
+    "codename": "Carbon"
+  },
+  "v9": {
+    "start": "2017-10-01",
+    "maintenance": "2018-04-01",
+    "end": "2018-06-30"
+  },
+  "v10": {
+    "start": "2018-04-24",
+    "lts": "2018-10-30",
+    "maintenance": "2020-05-19",
+    "end": "2021-04-30",
+    "codename": "Dubnium"
+  },
+  "v11": {
+    "start": "2018-10-23",
+    "maintenance": "2019-04-22",
+    "end": "2019-06-01"
+  },
+  "v12": {
+    "start": "2019-04-23",
+    "lts": "2019-10-21",
+    "maintenance": "2020-11-30",
+    "end": "2022-04-30",
+    "codename": "Erbium"
+  },
+  "v13": {
+    "start": "2019-10-22",
+    "maintenance": "2020-04-01",
+    "end": "2020-06-01"
+  },
+  "v14": {
+    "start": "2020-04-21",
+    "lts": "2020-10-27",
+    "maintenance": "2021-10-19",
+    "end": "2023-04-30",
+    "codename": "Fermium"
+  },
+  "v15": {
+    "start": "2020-10-20",
+    "maintenance": "2021-04-01",
+    "end": "2021-06-01"
+  },
+  "v16": {
+    "start": "2021-04-20",
+    "lts": "2021-10-26",
+    "maintenance": "2022-10-18",
+    "end": "2023-09-11",
+    "codename": "Gallium"
+  },
+  "v17": {
+    "start": "2021-10-19",
+    "maintenance": "2022-04-01",
+    "end": "2022-06-01"
+  },
+  "v18": {
+    "start": "2022-04-19",
+    "lts": "2022-10-25",
+    "maintenance": "2023-10-18",
+    "end": "2025-04-30",
+    "codename": "Hydrogen"
+  },
+  "v19": {
+    "start": "2022-10-18",
+    "maintenance": "2023-04-01",
+    "end": "2023-06-01"
+  },
+  "v20": {
+    "start": "2023-04-18",
+    "lts": "2023-10-24",
+    "maintenance": "2024-10-22",
+    "end": "2026-04-30",
+    "codename": "Iron"
+  },
+  "v21": {
+    "start": "2023-10-17",
+    "maintenance": "2024-04-01",
+    "end": "2024-06-01"
+  },
+  "v22": {
+    "start": "2024-04-24",
+    "lts": "2024-10-29",
+    "maintenance": "2025-10-21",
+    "end": "2027-04-30",
+    "codename": "Jod"
+  },
+  "v23": {
+    "start": "2024-10-16",
+    "maintenance": "2025-04-01",
+    "end": "2025-06-01"
+  },
+  "v24": {
+    "start": "2025-04-22",
+    "lts": "2025-10-28",
+    "maintenance": "2026-10-20",
+    "end": "2028-04-30",
+    "codename": ""
+  }
+}

cache/security.etag.json

@@ -0,0 +1 @@
+"25e8b7c386ec726bd3ca00e0605fb0e6f77b69d529f938bdb9ed12b838712874"