Bump postgrex from 0.20.0 to 0.21.0 (#2241)

Bumps [postgrex](https://github.com/elixir-ecto/postgrex) from 0.20.0 to
0.21.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/elixir-ecto/postgrex/blob/master/CHANGELOG.md">postgrex's
changelog</a>.</em></p>
<blockquote>
<h2>v0.21.0 (2025-07-31)</h2>
<p>This release requires Erlang/OTP 25+</p>
<ul>
<li>
<p>Enhancements</p>
<ul>
<li>Add query timeout option on ReplicationConnection</li>
</ul>
</li>
<li>
<p>Bug fixes</p>
<ul>
<li>PGHOST option does not override explicitly given endpoint
configuration</li>
<li>Add ltxtquery support</li>
</ul>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/elixir-ecto/postgrex/commits">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nate Shoemaker <[email protected]>

Author: dependabot[bot]

mix.lock

@@ -103,7 +103,7 @@
   "phoenix_view": {:hex, :phoenix_view, "2.0.4", "b45c9d9cf15b3a1af5fb555c674b525391b6a1fe975f040fb4d913397b31abf4", [:mix], [{:phoenix_html, "~> 2.14.2 or ~> 3.0 or ~> 4.0", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_template, "~> 1.0", [hex: :phoenix_template, repo: "hexpm", optional: false]}], "hexpm", "4e992022ce14f31fe57335db27a28154afcc94e9983266835bb3040243eb620b"},
   "plug": {:hex, :plug, "1.18.1", "5067f26f7745b7e31bc3368bc1a2b818b9779faa959b49c934c17730efc911cf", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "57a57db70df2b422b564437d2d33cf8d33cd16339c1edb190cd11b1a3a546cc2"},
   "plug_crypto": {:hex, :plug_crypto, "2.1.1", "19bda8184399cb24afa10be734f84a16ea0a2bc65054e23a62bb10f06bc89491", [:mix], [], "hexpm", "6470bce6ffe41c8bd497612ffde1a7e4af67f36a15eea5f921af71cf3e11247c"},
-  "postgrex": {:hex, :postgrex, "0.20.0", "363ed03ab4757f6bc47942eff7720640795eb557e1935951c1626f0d303a3aed", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "d36ef8b36f323d29505314f704e21a1a038e2dc387c6409ee0cd24144e187c0f"},
+  "postgrex": {:hex, :postgrex, "0.21.0", "f44797ac23604af2640e84b98aa535b454b61fbd7da0f4034adba1787701913e", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:table, "~> 0.1.0", [hex: :table, repo: "hexpm", optional: true]}], "hexpm", "c35cd8f18b5c59da08eff27cb40c8533c561320af830821c740efd7e97c8ac9f"},
   "process_hub": {:hex, :process_hub, "0.3.3-alpha", "10f65f6d3745c7272c2a9abf123fa9f88d36fab4c5e2264f4472cc5e163dad0b", [:mix], [{:blockade, "~> 0.2.1", [hex: :blockade, repo: "hexpm", optional: false]}, {:hash_ring, "~> 0.4.2", [hex: :hash_ring, repo: "hexpm", optional: false]}], "hexpm", "a19719eaef692d5a03ee05c3958788777ab39964105dde95db289a498629e52f"},
   "ranch": {:hex, :ranch, "2.2.0", "25528f82bc8d7c6152c57666ca99ec716510fe0925cb188172f41ce93117b1b0", [:make, :rebar3], [], "hexpm", "fa0b99a1780c80218a4197a59ea8d3bdae32fbff7e88527d7d8a4787eff4f8e7"},
   "recon": {:hex, :recon, "2.5.6", "9052588e83bfedfd9b72e1034532aee2a5369d9d9343b61aeb7fbce761010741", [:mix, :rebar3], [], "hexpm", "96c6799792d735cc0f0fd0f86267e9d351e63339cbe03df9d162010cefc26bb0"},