feat: Add new default IANA TA (#276)

# What kind of change does this PR introduce?
The new IANA TA which is expected to start working in 2026
https://data.iana.org/root-anchors/root-anchors.xml

# What is the current behavior? 
N/A

# What is the new behavior (if this is a feature change)?
N/A

src/lib/ianaTrustAnchors.ts

@@ -15,4 +15,11 @@ export const IANA_TRUST_ANCHORS: readonly DsData[] = [
     DigestType.SHA256,
     Buffer.from('E06D44B80B8F1D39A95C0B0D7C65D08458E880409BBC683457104237C7F8EC8D', 'hex'),
   ),
+  new DsData(
+    // eslint-disable-next-line @typescript-eslint/no-magic-numbers
+    38_696,
+    DnssecAlgorithm.RSASHA256,
+    DigestType.SHA256,
+    Buffer.from('683D2D0ACB8C9B712A1948B27F741219298D0A450D612C483AF444A4C0FB2B16', 'hex'),
+  ),
 ];