nvim: Inlay hints API has changed

See
https://people.kernel.org/monsieuricon/cross-fork-object-sharing-in-git-is-not-a-bug

git/.gitconfig

@@ -63,6 +63,8 @@
 	autosquash = true
 	autoStash = true
 	updateRefs = true
+[receive]
+	fsckObjects = true
 [sendemail]
 	smtpserver = /usr/bin/msmtp
 [user]

nvim/.config/nvim/lua/lsp.lua

@@ -15,7 +15,12 @@ local peek_definition = function()
   return vim.lsp.buf_request(0, 'textDocument/definition', params, preview_location_callback)
 end
 
-_G.PeekDefinition = peek_definition
+local inlay_hint_toggle = function()
+  vim.lsp.inlay_hint.enable(nil, not vim.lsp.inlay_hint.is_enabled())
+end
+
+_G.InlayHintToggle = inlay_hint_toggle
+_G.PeekDefinition  = peek_definition
 
 protocol.CompletionItemKind = {
   '󰉿 Text'         ;
@@ -58,7 +63,7 @@ local lsp_key_mappings = {
   { "workspace/symbol"            , 'n', '1gD'      , '<cmd>lua vim.lsp.buf.workspace_symbol()<CR>' },
   { "textDocument/signatureHelp"  , 'n', '<Leader>S', '<cmd>lua vim.lsp.buf.signature_help()<CR>'   },
   { "textDocument/rename"         , 'n', 'gR'       , '<cmd>lua vim.lsp.buf.rename()<CR>'           },
-  { "textDocument/inlayHint"      , 'n', 'gi'       , '<cmd>lua vim.lsp.inlay_hint(0, nil)<CR>'     },
+  { "textDocument/inlayHint"      , 'n', 'gi'       , '<cmd>lua InlayHintToggle()<CR>'              },
 
   { "textDocument/rangeFormatting", 'x', 'gq', '<cmd>lua vim.lsp.buf.format({async=true})<CR>' },
   { "textDocument/formatting"     , 'n', 'gq', '<cmd>lua vim.lsp.buf.format({async=true})<CR>' },
@@ -236,7 +241,7 @@ local on_attach = function(client, bufnr)
   end
 
   if client.supports_method('textDocument/inlayHint') then
-    vim.lsp.inlay_hint(bufnr, false)
+    vim.lsp.inlay_hint.enable(bufnr, false)
   end
 end