Bump propcheck from 1.2.1 to 1.2.2

Bumps [propcheck](https://github.com/alfert/propcheck) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/alfert/propcheck/releases)
- [Changelog](https://github.com/alfert/propcheck/blob/master/CHANGELOG.md)
- [Commits](alfert/propcheck@v1.2.1...v1.2.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

mix.lock

@@ -23,7 +23,7 @@
   "mimerl": {:hex, :mimerl, "1.2.0", "67e2d3f571088d5cfd3e550c383094b47159f3eee8ffa08e64106cdf5e981be3", [:rebar3], [], "hexpm", "f278585650aa581986264638ebf698f8bb19df297f66ad91b18910dfc6e19323"},
   "nimble_parsec": {:hex, :nimble_parsec, "0.6.0", "32111b3bf39137144abd7ba1cce0914533b2d16ef35e8abc5ec8be6122944263", [:mix], [], "hexpm", "27eac315a94909d4dc68bc07a4a83e06c8379237c5ea528a9acff4ca1c873c52"},
   "parse_trans": {:hex, :parse_trans, "3.3.0", "09765507a3c7590a784615cfd421d101aec25098d50b89d7aa1d66646bc571c1", [:rebar3], [], "hexpm", "17ef63abde837ad30680ea7f857dd9e7ced9476cdd7b0394432af4bfc241b960"},
-  "propcheck": {:hex, :propcheck, "1.2.1", "c3517ef4ef6b408b466956498388abcc9a2ae406cd96d55528a3371951454f2b", [:mix], [{:libgraph, "~> 0.13", [hex: :libgraph, repo: "hexpm", optional: false]}, {:proper, "~> 1.3", [hex: :proper, repo: "hexpm", optional: false]}], "hexpm", "4780e6df2478b3aafa89bc39cafccdbf85444092c324fa08f6ea39ac8f33c672"},
+  "propcheck": {:hex, :propcheck, "1.2.2", "fb0de983e87db8d6c043c4cd6d69e2d971c30225bafa40f62f4918527718fdab", [:mix], [{:libgraph, "~> 0.13", [hex: :libgraph, repo: "hexpm", optional: false]}, {:proper, "~> 1.3", [hex: :proper, repo: "hexpm", optional: false]}], "hexpm", "227b9bae65fb070d1f6b5e3e071a0685660ceb43c0f5a58e54468047b7e6e0c2"},
   "proper": {:hex, :proper, "1.3.0", "c1acd51c51da17a2fe91d7a6fc6a0c25a6a9849d8dc77093533109d1218d8457", [:make, :mix, :rebar3], [], "hexpm", "4aa192fccddd03fdbe50fef620be9d4d2f92635b54f55fb83aec185994403cbc"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.6", "cf344f5692c82d2cd7554f5ec8fd961548d4fd09e7d22f5b62482e5aeaebd4b0", [:make, :mix, :rebar3], [], "hexpm", "bdb0d2471f453c88ff3908e7686f86f9be327d065cc1ec16fa4540197ea04680"},
   "unicode_util_compat": {:hex, :unicode_util_compat, "0.5.0", "8516502659002cec19e244ebd90d312183064be95025a319a6c7e89f4bccd65b", [:rebar3], [], "hexpm", "d48d002e15f5cc105a696cf2f1bbb3fc72b4b770a184d8420c8db20da2674b38"},