component/curl: version up 7.86.0

bring fixes for about 20 CVE

component/curl/buildout.cfg

 # libcurl - the multiprotocol file transfer library
-# http://curl.haxx.se/
+# https://curl.se/
 
 [buildout]
 extends =
@@ -17,8 +17,8 @@ parts =
 [curl]
 recipe = slapos.recipe.cmmi
 shared = true
-url = http://curl.haxx.se/download/curl-7.79.1.tar.xz
-md5sum = 74d3c4ca8aaa6c0619806d6e246e65fb
+url = https://curl.se/download/curl-7.86.0.tar.xz
+md5sum = 19a2165f37941a6f412afc924e750568
 configure-options =
   --disable-static
   --disable-ech