build(deps): bump tower from 0.6.3 to 0.6.4

Bumps [tower](https://github.com/mimiquate/tower) from 0.6.3 to 0.6.4.
- [Changelog](https://github.com/mimiquate/tower/blob/main/CHANGELOG.md)
- [Commits](mimiquate/tower@v0.6.3...v0.6.4)

---
updated-dependencies:
- dependency-name: tower
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

mix.lock

@@ -30,7 +30,7 @@
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
   "thousand_island": {:hex, :thousand_island, "1.3.5", "6022b6338f1635b3d32406ff98d68b843ba73b3aa95cfc27154223244f3a6ca5", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "2be6954916fdfe4756af3239fb6b6d75d0b8063b5df03ba76fd8a4c87849e180"},
-  "tower": {:hex, :tower, "0.6.3", "8f89f8bb7f054221d2aa158cfaa59adf1e3ddea1d25dc51a899c489bfc8a1b88", [:mix], [{:telemetry, "~> 1.1", [hex: :telemetry, repo: "hexpm", optional: false]}, {:uniq, "~> 0.6.0", [hex: :uniq, repo: "hexpm", optional: false]}], "hexpm", "c112a829713cdf60638494a828aead346ac4da6ed7ce9b5cf7d1a07e8130bc86"},
+  "tower": {:hex, :tower, "0.6.4", "03a003619520d666d356056a343f62d5a3ca5cdda9e7105420c464b571bd85b4", [:mix], [{:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}, {:telemetry, "~> 1.1", [hex: :telemetry, repo: "hexpm", optional: false]}, {:uniq, "~> 0.6.0", [hex: :uniq, repo: "hexpm", optional: false]}], "hexpm", "b295e34081c2b5764ca8c5d2ad60e10302abad8fce6f860e3d742e87a4afd041"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.7.0", "bc84380c9ab48177092f43ac89e4dfa2c6d62b40b8bd132b1059ecc7232f9a78", [:rebar3], [], "hexpm", "25eee6d67df61960cf6a794239566599b09e17e668d3700247bc498638152521"},
   "uniq": {:hex, :uniq, "0.6.1", "369660ecbc19051be526df3aa85dc393af5f61f45209bce2fa6d7adb051ae03c", [:mix], [{:ecto, "~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm", "6426c34d677054b3056947125b22e0daafd10367b85f349e24ac60f44effb916"},
   "websock": {:hex, :websock, "0.5.3", "2f69a6ebe810328555b6fe5c831a851f485e303a7c8ce6c5f675abeb20ebdadc", [:mix], [], "hexpm", "6105453d7fac22c712ad66fab1d45abdf049868f253cf719b625151460b8b453"},