fix(gitsigns): change name of filetype blame (#4243)

## Description
There was a change in `gitsigns` filetype name for blame.
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No
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lua/lazyvim/config/autocmds.lua

@@ -68,7 +68,7 @@ vim.api.nvim_create_autocmd("FileType", {
     "neotest-summary",
     "neotest-output-panel",
     "dbout",
-    "gitsigns.blame",
+    "gitsigns-blame",
   },
   callback = function(event)
     vim.bo[event.buf].buflisted = false