chore: speed up bootstrap for minimal.lua

* use `git://` protocol
* omit `--no-single-branch` (since plenary contains stale branches with large objects)

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -69,6 +69,10 @@ body:
                package_root = package_root,
                compile_path = install_path .. '/plugin/packer_compiled.lua',
                display = { non_interactive = true },
+               git = {
+                subcommands = { install = 'clone --depth 1 --progress' },
+                default_url_format = 'git://github.com/%s',
+               },
              },
            }
          end
@@ -78,7 +82,7 @@ body:
            -- ADD INIT.LUA SETTINGS THAT ARE _NECESSARY_ FOR REPRODUCING THE ISSUE
          end
          if vim.fn.isdirectory(install_path) == 0 then
-           print("Installing Telescope and dependencies. This may take a while!")
+           print("Installing Telescope and dependencies.")
            vim.fn.system { 'git', 'clone', '--depth=1', 'https://github.com/wbthomason/packer.nvim', install_path }
          end
          load_plugins()