chore(deps): bump tokio-postgres from 0.7.15 to 0.7.16 (#19899)

Bumps [tokio-postgres](https://github.com/rust-postgres/rust-postgres)
from 0.7.15 to 0.7.16.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rust-postgres/rust-postgres/releases">tokio-postgres's
releases</a>.</em></p>
<blockquote>
<h2>tokio-postgres v0.7.16</h2>
<h3>Added</h3>
<ul>
<li>Added <code>Client::query_scalar</code>,
<code>Client::query_one_scalar</code>, and
<code>Client::query_opt_scalar</code> methods.</li>
<li>Added <code>Row::raw_size_bytes</code> method.</li>
<li>Added <code>Column::type_modifier</code> method.</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Upgraded <code>whoami</code> to v2.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/b7f2cf0891c1a30b37f7df3ae3f1960affc036f3"><code>b7f2cf0</code></a>
Release tokio-postgres v0.7.16</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/b0a62a556ea2eade2cb44fbad2bd7f3a5b74cc71"><code>b0a62a5</code></a>
Release postgres-types v0.2.12</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/36f7dcda3503f257becbc3d0d30ee5c589c99118"><code>36f7dcd</code></a>
Release postgres-protocol v0.6.10</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/46ea55ca800bad5dc647bd8d4cfba1deffb78ce7"><code>46ea55c</code></a>
chore(ci): use committed lockfile</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/167084dbe55496a57ab3331a6a50acc2b2d99b6b"><code>167084d</code></a>
build: commit lockfile</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/f187cc511f952b1c4a8df3e879233a22f29ca7bc"><code>f187cc5</code></a>
build(deps): upgrade <code>whoami</code> to v2</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/ac029de5b7e2e96c490f40a32dfd4016f346e624"><code>ac029de</code></a>
Add support for scalar queries.</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/c7a615cc0164961f2ea85c4368eda6bcf1038594"><code>c7a615c</code></a>
fix(postgres-protocol): increase bind parameter limit from i16::MAX to
u16::MAX</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/83e0dfbb8a231dbf34c88fc86b9c21824d98ef32"><code>83e0dfb</code></a>
build: further improve -Zminimal-versions support</li>
<li><a
href="https://github.com/rust-postgres/rust-postgres/commit/117872c72101bd5db239136a7e305a9412811986"><code>117872c</code></a>
fix: broken build caused by <a
href="https://redirect.github.com/rust-postgres/rust-postgres/issues/1145">#1145</a></li>
<li>Additional commits viewable in <a
href="https://github.com/rust-postgres/rust-postgres/compare/tokio-postgres-v0.7.15...tokio-postgres-v0.7.16">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -64,7 +64,7 @@ tempfile = { workspace = true }
 testcontainers-modules = { workspace = true, features = ["postgres"], optional = true }
 thiserror = "2.0.17"
 tokio = { workspace = true }
-tokio-postgres = { version = "0.7.14", optional = true }
+tokio-postgres = { version = "0.7.16", optional = true }
 
 [features]
 avro = ["datafusion/avro"]