docs: the next release will be 7.52.0

Author: kdudka

docs/curl.1

@@ -1849,7 +1849,7 @@ Forces curl to use TLS version 1.2 when negotiating with a remote TLS server.
 .IP "--tlsv1.3"
 (SSL)
 Forces curl to use TLS version 1.3 when negotiating with a remote TLS server.
-(Added in 7.51.1)
+(Added in 7.52.0)
 .IP "--tr-encoding"
 (HTTP) Request a compressed Transfer-Encoding response using one of the
 algorithms curl supports, and uncompress the data while receiving it.

docs/libcurl/opts/CURLOPT_SSLVERSION.3

@@ -49,7 +49,7 @@ TLSv1.1 (Added in 7.34.0)
 .IP CURL_SSLVERSION_TLSv1_2
 TLSv1.2 (Added in 7.34.0)
 .IP CURL_SSLVERSION_TLSv1_3
-TLSv1.3 (Added in 7.51.1)
+TLSv1.3 (Added in 7.52.0)
 .RE
 .SH DEFAULT
 CURL_SSLVERSION_DEFAULT

docs/libcurl/symbols-in-versions

@@ -773,7 +773,7 @@ CURL_SSLVERSION_TLSv1           7.9.2
 CURL_SSLVERSION_TLSv1_0         7.34.0
 CURL_SSLVERSION_TLSv1_1         7.34.0
 CURL_SSLVERSION_TLSv1_2         7.34.0
-CURL_SSLVERSION_TLSv1_3         7.51.1
+CURL_SSLVERSION_TLSv1_3         7.52.0
 CURL_TIMECOND_IFMODSINCE        7.9.7
 CURL_TIMECOND_IFUNMODSINCE      7.9.7
 CURL_TIMECOND_LASTMOD           7.9.7