fix(mbedtls): re-include Starfield Class 2 CA

Some of the endpoints (e.g., httpbin.org) is still relying on the
Starfield Class 2 CA in the chain. Added this root certificate as
a temporary exception and shall be removed in future.

Author: mahavirj

components/mbedtls/esp_crt_bundle/cacrt_local.pem

@@ -2,3 +2,32 @@
 ## Local CA Root Certificates
 ##
 ## Local CA Root Certificates that gets appended to "cacrt_all.pem"
+##
+## Starfield Class 2 CA has been removed from the list of trusted CAs
+## from Mozilla's CA Certificate Store. However, it is still used in
+## some endpoints and hence it is included here. This shall be removed
+## once the relevant endpoints are updated to use a different CA.
+
+Starfield Class 2 CA
+====================
+-----BEGIN CERTIFICATE-----
+MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzElMCMGA1UEChMc
+U3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZpZWxkIENsYXNzIDIg
+Q2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQwNjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBo
+MQswCQYDVQQGEwJVUzElMCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAG
+A1UECxMpU3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqG
+SIb3DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf8MOh2tTY
+bitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN+lq2cwQlZut3f+dZxkqZ
+JRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0X9tDkYI22WY8sbi5gv2cOj4QyDvvBmVm
+epsZGD3/cVE8MC5fvj13c7JdBmzDI1aaK4UmkhynArPkPw2vCHmCuDY96pzTNbO8acr1zJ3o/WSN
+F4Azbl5KXZnJHoe0nRrA1W4TNSNe35tfPe/W93bC6j67eA0cQmdrBNj41tpvi/JEoAGrAgEDo4HF
+MIHCMB0GA1UdDgQWBBS/X7fRzt0fhvRbVazc1xDCDqmI5zCBkgYDVR0jBIGKMIGHgBS/X7fRzt0f
+hvRbVazc1xDCDqmI56FspGowaDELMAkGA1UEBhMCVVMxJTAjBgNVBAoTHFN0YXJmaWVsZCBUZWNo
+bm9sb2dpZXMsIEluYy4xMjAwBgNVBAsTKVN0YXJmaWVsZCBDbGFzcyAyIENlcnRpZmljYXRpb24g
+QXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQADggEBAAWdP4id0ckaVaGs
+afPzWdqbAYcaT1epoXkJKtv3L7IezMdeatiDh6GX70k1PncGQVhiv45YuApnP+yz3SFmH8lU+nLM
+PUxA2IGvd56Deruix/U0F47ZEUD0/CwqTRV/p2JdLiXTAAsgGh1o+Re49L2L7ShZ3U0WixeDyLJl
+xy16paq8U4Zt3VekyvggQQto8PT7dL5WXXp59fkdheMtlb71cZBDzI0fmgAKhynpVSJYACPq4xJD
+KVtHCN2MQWplBqjlIapBtJUhlbl90TSrE9atvNziPTnNvT51cKEYWQPJIrSPnNVeKtelttQKbfi3
+QBFGmh95DmK/D5fs4C8fF5Q=
+-----END CERTIFICATE-----

components/mbedtls/esp_crt_bundle/cmn_crt_authorities.csv

@@ -20,6 +20,7 @@ GlobalSign nv-sa,GlobalSign Root CA - R3
 GlobalSign nv-sa,GlobalSign Root E46
 GlobalSign nv-sa,GlobalSign Root R46
 GoDaddy,Go Daddy Root Certificate Authority - G2
+GoDaddy,Starfield Class 2 CA
 GoDaddy,Starfield Root Certificate Authority - G2
 Google Trust Services LLC,GlobalSign ECC Root CA - R4
 Google Trust Services LLC,GTS Root R1