SSL Error: TLSV1_ALERT_PROTOCOL_VERSION

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1857090043278104016 (0x19c5b58e198195d0)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: O=Syncthing, OU=Automatically Generated, CN=syncthing
        Validity
            Not Before: Jun  1 00:00:00 2023 GMT
            Not After : May 27 00:00:00 2043 GMT
        Subject: O=Syncthing, OU=Automatically Generated, CN=syncthing
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (384 bit)
                pub:
                    04:25:af:da:8b:06:1c:94:f0:9b:c0:6f:0d:23:ab:
                    46:be:9a:ec:66:86:67:32:61:24:bf:54:8f:10:82:
                    ee:3f:9f:f5:b5:c4:f7:74:88:58:e9:89:e2:22:88:
                    c1:50:af:3b:fe:73:45:c0:61:9d:ef:e2:12:c8:fa:
                    6a:97:30:ee:ac:2f:65:78:52:91:92:3d:44:0a:8c:
                    8b:24:3a:72:57:f0:23:df:44:50:9d:5c:af:49:29:
                    75:54:60:fd:3b:fe:72
                ASN1 OID: secp384r1
                NIST CURVE: P-384
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:syncthing
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:65:02:31:00:8e:e4:ad:68:e6:40:e4:69:ca:4d:10:72:5c:
        da:8a:76:ef:33:6b:94:5b:76:1d:0c:71:26:c2:9c:7a:c4:32:
        5e:d8:0c:47:03:66:25:1b:b1:af:d4:ac:e7:cd:75:ee:8f:02:
        30:24:8d:76:2e:5f:c1:62:f3:c3:7d:e3:01:52:1d:06:b5:08:
        b3:30:a7:82:cb:58:e9:5a:00:81:9f:1b:ec:79:eb:0d:ae:a3:
        44:8d:7d:86:9d:df:70:a8:73:ac:7c:60:62