Clean up old dep references

Author: jakebailey

.github/renovate.json

@@ -25,18 +25,6 @@
             "matchPackageNames": ["ava"],
             "allowedVersions": "~5.0.1"
         },
-        {
-            "matchPackageNames": ["c8"],
-            "allowedVersions": "^8"
-        },
-        {
-            "matchPackageNames": ["pretty-ms"],
-            "allowedVersions": "^8"
-        },
-        {
-            "matchPackageNames": ["tmp"],
-            "allowedVersions": "0.2.1"
-        },
         {
             "matchManagers": ["github-actions"],
             "groupName": "github actions",

.ncurc.cjs

@@ -4,7 +4,6 @@ module.exports = {
         if (dependencyName === "ava") return "patch"; // Trying to support Node 12.
         if (dependencyName === "@ava/typescript") return "minor"; // Trying to support Node 12.
         if (dependencyName === "execa") return "patch"; // Trying to support Node 12.
-        if (dependencyName === "pretty-ms") return "minor"; // For old versions of node.
         if (dependencyName === "rimraf") return "minor";
         if (dependencyName === "npm") return "minor";
         if (major === "0") return "minor";