samples: net: sockets: http_get: add missing SHA alg

Add PSA_WANT_ALG_SHA_1 to the TLS configuration. This is required to
parse the certificate.

Signed-off-by: Valerio Setti <vsetti@baylibre.com>

Author: valeriosetti

samples/net/sockets/http_get/overlay-tls.conf

@@ -11,6 +11,7 @@ CONFIG_MBEDTLS_CMAC=y
 
 CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
 CONFIG_MBEDTLS_CIPHERSUITE_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256=y
+CONFIG_PSA_WANT_ALG_SHA_1=y
 
 # Debugging options
 #CONFIG_MBEDTLS_DEBUG=y