docs(eval): fix dict param type of mapset

Match maparg's return type.

(cherry picked from commit ec6670080a)

runtime/doc/builtin.txt

@@ -6090,7 +6090,7 @@ mapset({dict})
 <
 
                 Parameters: ~
-                  • {dict} (`boolean`)
+                  • {dict} (`table<string,any>`)
 
                 Return: ~
                   (`any`)

runtime/lua/vim/_meta/vimfn.lua

@@ -5479,7 +5479,7 @@ function vim.fn.mapnew(expr1, expr2) end
 
 --- @param mode string
 --- @param abbr? boolean
---- @param dict? boolean
+--- @param dict? table<string,any>
 --- @return any
 function vim.fn.mapset(mode, abbr, dict) end
 
@@ -5519,7 +5519,7 @@ function vim.fn.mapset(mode, abbr, dict) end
 ---   endfor
 --- <
 ---
---- @param dict boolean
+--- @param dict table<string,any>
 --- @return any
 function vim.fn.mapset(dict) end
 

src/nvim/eval.lua

@@ -6762,7 +6762,7 @@ M.funcs = {
     args = { 1, 3 },
     base = 1,
     name = 'mapset',
-    params = { { 'mode', 'string' }, { 'abbr', 'boolean' }, { 'dict', 'boolean' } },
+    params = { { 'mode', 'string' }, { 'abbr', 'boolean' }, { 'dict', 'table<string,any>' } },
     signature = 'mapset({mode}, {abbr}, {dict})',
   },
   mapset__1 = {
@@ -6806,7 +6806,7 @@ M.funcs = {
       <
     ]=],
     name = 'mapset',
-    params = { { 'dict', 'boolean' } },
+    params = { { 'dict', 'table<string,any>' } },
     signature = 'mapset({dict})',
   },
   match = {