build(ci): update anchors with action

.github/workflows/update-xml.yml

@@ -0,0 +1,28 @@
+name: Update Root Zone Trust Anchors
+
+on:
+  schedule:
+    - cron: "5 4 * * *"
+  workflow_dispatch:
+
+jobs:
+  update-xml:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Update XML in Go file
+        run: |
+          xml_content=$(curl -sSL https://data.iana.org/root-anchors/root-anchors.xml | sed -e 's/[\/&]/\\&/g' -e ':a;N;$!ba;s/\n/\\n/g')
+          sed -i '/\/\/ BEGIN XML DATA/,/\/\/ END XML DATA/c\// BEGIN XML DATA\nconst IanaRootAnchorsXml = `'"$xml_content"'`\n\n// END XML DATA' rootanchors.go
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          commit-message: "chore: update root zone trust anchors"
+          title: Update Root Zone Trust Anchors
+          body: |
+            This PR updates root zone trust anchors XML. Please verify the changes.
+          branch: update-xml

rootanchors.go

@@ -9,7 +9,8 @@ import (
 
 // https://data.iana.org/root-anchors/root-anchors.xml
 // BEGIN IANA ROOT ANCHORS XML DATA
-const ianaRootAnchorsXml = `<?xml version="1.0" encoding="UTF-8"?>
+
+const IanaRootAnchorsXml = `<?xml version="1.0" encoding="UTF-8"?>
 <TrustAnchor id="E9724F53-1851-4F86-85E5-F1392102940B" source="http://data.iana.org/root-anchors/root-anchors.xml">
 <Zone>.</Zone>
 <KeyDigest id="Kjqmt7v" validFrom="2010-07-15T00:00:00+00:00" validUntil="2019-01-11T00:00:00+00:00">
@@ -58,7 +59,7 @@ type KeyDigest struct {
 func GetRawAnchors() TrustAnchor {
 	var ta TrustAnchor
 
-	xml.Unmarshal([]byte(ianaRootAnchorsXml), &ta)
+	xml.Unmarshal([]byte(IanaRootAnchorsXml), &ta)
 
 	return ta
 }