chore(deps): lock file maintenance (#125)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

manifest.toml

@@ -35,5 +35,5 @@ gleam_regexp = { version = ">= 1.0.0 and < 2.0.0" }
 gleam_stdlib = { version = ">= 0.34.0 and < 2.0.0" }
 gleam_time = { version = ">= 1.4.0 and < 2.0.0" }
 simplifile = { version = ">= 2.2.0 and < 3.0.0" }
-startest = { version = "== 0.7.0" }
+startest = { version = "0.7.0" }
 tom = { version = ">= 0.3.0 and < 3.0.0" }