fix(highlight): add force in nvim_set_hl

runtime/doc/api.txt

@@ -1458,6 +1458,8 @@ nvim_set_hl({ns_id}, {name}, {*val})                           *nvim_set_hl()*
                  • cterm: cterm attribute map, like |highlight-args|. If not
                    set, cterm attributes will match those from the attribute
                    map documented above.
+                 • force: if true force update the highlight group when it
+                   exists.
 
 nvim_set_hl_ns({ns_id})                                     *nvim_set_hl_ns()*
     Set active namespace for highlights defined with |nvim_set_hl()|. This can

runtime/lua/vim/_meta/api.lua

@@ -1857,6 +1857,8 @@ function vim.api.nvim_set_decoration_provider(ns_id, opts) end
 ---              • cterm: cterm attribute map, like `highlight-args`. If not
 ---                set, cterm attributes will match those from the attribute
 ---                map documented above.
+---              • force: if true force update the highlight group when it
+---                exists.
 function vim.api.nvim_set_hl(ns_id, name, val) end
 
 --- Set active namespace for highlights defined with `nvim_set_hl()`. This can

runtime/lua/vim/_meta/api_keysets.lua

@@ -164,6 +164,7 @@ error('Cannot require a meta file')
 --- @field blend? integer
 --- @field fg_indexed? boolean
 --- @field bg_indexed? boolean
+--- @field force? boolean
 
 --- @class vim.api.keyset.highlight_cterm
 --- @field bold? boolean