Shorten keywords array to length 5 to satisfy crates.io publishing API. See rust-lang/cargo#4300

Author: mleonhard

temp-dir/Cargo.toml

@@ -3,7 +3,7 @@ authors = ["Michael Leonhard <[email protected]>"]
 categories = ["filesystem", "development-tools::testing"]
 description = "Simple temporary directory with cleanup"
 edition = "2018"
-keywords = ["temporary", "directory", "dir", "tmp", "temp", "tmpdir", "tempdir", "mkdir", "mkdtemp", "tempnam"]
+keywords = ["dir", "temp", "tmpdir", "tempdir", "mkdtemp"]
 name = "temp-dir"
 readme = "Readme.md"
 repository = "https://gitlab.com/leonhard-llc/ops"