Certificate signed by unknown authority

{"error": "GET https://your-example.com giving up after 5 attempt(s): Get \"https://your-example.com\": tls: failed to verify certificate: x509: certificate signed by unknown authority"}

terraform plan

Failed to retrieve available versions for module "eks" (.terraform/modules/EKS/cluster.tf:159) from registry.terraform.io: failed to request discovery document:│ Get "https://registry.terraform.io/.well-known/terraform.json":
tls: failed to verify certificate: x509: certificate signed by unknown authority

• X.509, ASN.1, openssl x509, .pem, der, PFX, PKCS, SAN, openssl x509, CSR
• TLS, mTLS: OpenSSL, LibreSSL, BoringSSL, WolfSSL, X.509, .pem, SNI, CT, OCSP, Mbed TLS, ALPN, your connection is not private, SSL Certificate Checker, Wildcard certificate, JA3 fingerprint, sslcan, TLS inspection