ci(deps): use renovate for deps mgmt (#29)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Tyler Miller <tmillr@proton.me>

.github/renovate.json5

@@ -0,0 +1,38 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "packageRules": [
+    {
+      "matchDatasources": ["npm"],
+      "stabilityDays": 3
+    },
+    {
+      "matchDepTypes": ["peerDependencies"],
+      "rangeStrategy": "auto"
+    },
+    {
+      "matchDepTypes": ["devDependencies"],
+      "rangeStrategy": "pin"
+    },
+    {
+      "matchPackagePrefixes": ["@actions"],
+      "prPriority": 5,
+      "schedule": ["at any time"]
+    }
+  ],
+  "assignees": ["tmillr"],
+  "configMigration": true,
+  "dependencyDashboard": true,
+  "dependencyDashboardLabels": ["dependencies"],
+  "labels": ["dependencies"],
+  "lockFileMaintenance": { "enabled": true },
+  "platformCommit": true,
+  "printConfig": true,
+  "rangeStrategy": "pin",
+  "rollbackPrs": true,
+  "semanticCommitScope": "{{parentDir}}",
+  "semanticCommitType": "deps",
+  "semanticCommits": "enabled",
+  "timezone": "US/Pacific",
+  "transitiveRemediation": true
+}