chore: add renovate schemas to configs

Signed-off-by: Devin Buhl <devin@buhl.casa>

.github/renovate.json5

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:base",
     "docker:enableMajor",

.github/renovate/commitMessage.json5

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "commitMessageTopic": "{{depName}}",
   "commitMessageExtra": "to {{newVersion}}",
   "commitMessageSuffix": "",

.github/renovate/labels.json5

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "packageRules": [
     {
       "matchUpdateTypes": ["major"],

.github/renovate/semanticCommits.json5

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "packageRules": [
     {
       "matchDatasources": ["docker"],