Bump golang.org/x/net from 0.12.0 to 0.23.0 (#139)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.12.0 to
0.23.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/golang/net/commit/c48da131589f122489348be5dfbcb6457640046f"><code>c48da13</code></a>
http2: fix TestServerContinuationFlood flakes</li>
<li><a
href="https://github.com/golang/net/commit/762b58d1cf6e0779780decad89c6c1523386638d"><code>762b58d</code></a>
http2: fix tipos in comment</li>
<li><a
href="https://github.com/golang/net/commit/ba872109ef2dc8f1da778651bd1fd3792d0e4587"><code>ba87210</code></a>
http2: close connections when receiving too many headers</li>
<li><a
href="https://github.com/golang/net/commit/ebc8168ac8ac742194df729305175940790c55a2"><code>ebc8168</code></a>
all: fix some typos</li>
<li><a
href="https://github.com/golang/net/commit/3678185f8a652e52864c44049a9ea96b7bcc066a"><code>3678185</code></a>
http2: make TestCanonicalHeaderCacheGrowth faster</li>
<li><a
href="https://github.com/golang/net/commit/448c44f9287b6745f958d74aa2a17ec7761c2f13"><code>448c44f</code></a>
http2: remove clientTester</li>
<li><a
href="https://github.com/golang/net/commit/c7877ac4213b2f859831366f5a35b353e0dc9f66"><code>c7877ac</code></a>
http2: convert the remaining clientTester tests to testClientConn</li>
<li><a
href="https://github.com/golang/net/commit/d8870b0bf2f2426fc8d19a9332f652da5c25418f"><code>d8870b0</code></a>
http2: use synthetic time in TestIdleConnTimeout</li>
<li><a
href="https://github.com/golang/net/commit/d73acffdc9493532acb85777105bb4a351eea702"><code>d73acff</code></a>
http2: only set up deadline when Server.IdleTimeout is positive</li>
<li><a
href="https://github.com/golang/net/commit/89f602b7bbf237abe0467031a18b42fc742ced08"><code>89f602b</code></a>
http2: validate client/outgoing trailers</li>
<li>Additional commits viewable in <a
href="https://github.com/golang/net/compare/v0.12.0...v0.23.0">compare
view</a></li>
</ul>
</details>
<br />


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go.mod

@@ -2,4 +2,4 @@ module github.com/chromium/hstspreload
 
 go 1.19
 
-require golang.org/x/net v0.12.0
+require golang.org/x/net v0.23.0

go.sum

@@ -1,4 +1,2 @@
-golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
-golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
+golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
+golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=