ci: add release workflow for luarocks upload (#4109)

nvim-treesitter-scm-1.rockspec

@@ -0,0 +1,35 @@
+local MODREV, SPECREV = 'scm', '-1'
+rockspec_format = '3.0'
+package = 'nvim-treesitter'
+version = MODREV .. SPECREV
+
+description = {
+  summary = 'Nvim Treesitter configurations and abstraction layer',
+  labels = { 'neovim' },
+  homepage = 'https://github.com/nvim-treesitter/nvim-treesitter',
+  license = 'Apache-2.0',
+}
+
+dependencies = {
+  'lua >= 5.1',
+}
+
+source = {
+  url = 'git://github.com/nvim-treesitter/nvim-treesitter',
+}
+
+build = {
+  type = 'make',
+  install_variables = {
+    INST_PREFIX='$(PREFIX)',
+    INST_BINDIR='$(BINDIR)',
+    INST_LIBDIR='$(LIBDIR)',
+    INST_LUADIR='$(LUADIR)',
+    INST_CONFDIR='$(CONFDIR)',
+  },
+  copy_directories = {
+    'autoload',
+    'plugin',
+    'queries'
+  }
+}