curl.h: remove CURLPROTO_MQTTS from the public header

- the value collided with the internal one used for WebSocket
- we add all new ones as internal bits
- bump to 64-bit internal type
- introduce new define for setting all protocols (CURLPROTO_64ALL)

Reported by Codex Security

Closes #20798

docs/libcurl/opts/CURLOPT_PROTOCOLS.md

@@ -35,8 +35,10 @@ Pass a long that holds a bitmask of protocol bits. If used, this bitmask
 limits what protocols libcurl may use in the transfer. This allows you to have
 a libcurl built to support a wide range of protocols but still limit specific
 transfers to only be allowed to use a subset of them. By default libcurl
-accepts all protocols it supports (*CURLPROTO_ALL*). See also
-CURLOPT_REDIR_PROTOCOLS(3).
+accepts all protocols it supports. See also CURLOPT_REDIR_PROTOCOLS(3).
+
+Note that the old define *CURLPROTO_ALL* no longer enables all protocols a
+modern curl might support!
 
 These are the available protocol defines:
 ~~~c
@@ -52,7 +54,6 @@ CURLPROTO_IMAPS
 CURLPROTO_LDAP
 CURLPROTO_LDAPS
 CURLPROTO_MQTT
-CURLPROTO_MQTTS
 CURLPROTO_POP3
 CURLPROTO_POP3S
 CURLPROTO_RTMP

docs/libcurl/opts/CURLOPT_REDIR_PROTOCOLS.md

@@ -59,7 +59,6 @@ CURLPROTO_IMAPS
 CURLPROTO_LDAP
 CURLPROTO_LDAPS
 CURLPROTO_MQTT
-CURLPROTO_MQTTS
 CURLPROTO_POP3
 CURLPROTO_POP3S
 CURLPROTO_RTMP

docs/libcurl/symbols-in-versions

@@ -968,7 +968,6 @@ CURLPROTO_IMAPS                 7.20.0
 CURLPROTO_LDAP                  7.19.4
 CURLPROTO_LDAPS                 7.19.4
 CURLPROTO_MQTT                  7.71.0
-CURLPROTO_MQTTS                 8.19.0
 CURLPROTO_POP3                  7.20.0
 CURLPROTO_POP3S                 7.20.0
 CURLPROTO_RTMP                  7.21.0