Explicitly sign certificate with SHA256

Author: mbg

src/start-proxy-action.ts

@@ -83,7 +83,7 @@ function generateCertificateAuthority(): CertificateAuthority {
     { name: "basicConstraints", cA: true },
     { name: "keyUsage", keyCertSign: true, cRLSign: true },
   ]);
-  cert.sign(keys.privateKey);
+  cert.sign(keys.privateKey, md.sha256.create());
 
   const pem = pki.certificateToPem(cert);
   const key = pki.privateKeyToPem(keys.privateKey);