Bump package versions, and fix issues

packages/attest/src/attest.ts

@@ -102,7 +102,8 @@ function toAttestation(bundle: Bundle, attestationID?: string): Attestation {
       throw new Error('Bundle must contain an x509 certificate')
   }
 
-  const signingCert = new X509Certificate(certBytes)
+  // Convert Buffer to Uint8Array for Node.js 24 compatibility
+  const signingCert = new X509Certificate(new Uint8Array(certBytes))
 
   // Collect transparency log ID if available
   const tlogEntries = bundle.verificationMaterial.tlogEntries

packages/attest/src/store.ts

@@ -29,7 +29,11 @@ export const writeAttestation = async (
       owner: github.context.repo.owner,
       repo: github.context.repo.repo,
       headers: options.headers,
-      data: {bundle: attestation}
+      bundle: attestation as {
+        mediaType?: string
+        verificationMaterial?: { [key: string]: unknown }
+        dsseEnvelope?: { [key: string]: unknown }
+      }
     })
 
     const data =