chore: bump langgraph-checkpoint from 4.1.0 to 4.1.1 in /libs/partners/anthropic (#38479)

Bumps [langgraph-checkpoint](https://github.com/langchain-ai/langgraph)
from 4.1.0 to 4.1.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langgraph/releases">langgraph-checkpoint's
releases</a>.</em></p>
<blockquote>
<h2>langgraph-checkpoint==4.1.1</h2>
<p>Changes since checkpoint==4.1.0</p>
<ul>
<li>release(checkpoint): 4.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7890">#7890</a>)</li>
<li>fix(checkpoint): restrict lc:2 envelope revival to default
constructor (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7892">#7892</a>)</li>
<li>chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7860">#7860</a>)</li>
<li>chore(deps): bump langsmith from 0.7.31 to 0.8.0 in /libs/checkpoint
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7784">#7784</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="d1e2ff0561"><code>d1e2ff0</code></a>
release(checkpoint): 4.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7890">#7890</a>)</li>
<li><a
href="e787af200e"><code>e787af2</code></a>
release(sdk-py): 0.3.15 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7891">#7891</a>)</li>
<li><a
href="604534e1b7"><code>604534e</code></a>
fix(sdk-py): percent-encode caller-supplied identifiers in URL paths (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7893">#7893</a>)</li>
<li><a
href="346aa97425"><code>346aa97</code></a>
fix(checkpoint): restrict lc:2 envelope revival to default constructor
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7892">#7892</a>)</li>
<li><a
href="82b3872820"><code>82b3872</code></a>
chore(deps): bump the uv group across 2 directories with 1 update (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7853">#7853</a>)</li>
<li><a
href="fcc4ab8dd8"><code>fcc4ab8</code></a>
chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7860">#7860</a>)</li>
<li><a
href="701d34494c"><code>701d344</code></a>
chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint-postgres
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7861">#7861</a>)</li>
<li><a
href="2c7967ca96"><code>2c7967c</code></a>
chore(deps): bump idna from 3.11 to 3.15 in /libs/cli (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7865">#7865</a>)</li>
<li><a
href="bf7fec0bd1"><code>bf7fec0</code></a>
release(langgraph): 1.2.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7883">#7883</a>)</li>
<li><a
href="8215a9d024"><code>8215a9d</code></a>
feat(langgraph): add <code>before_builtins</code> opt-in for stream
transformers (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7882">#7882</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langgraph/compare/checkpoint==4.1.0...checkpoint==4.1.1">compare
view</a></li>
</ul>
</details>
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libs/partners/anthropic/uv.lock

@@ -552,7 +552,7 @@ wheels = [
 
 [[package]]
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-version = "1.3.10"
+version = "1.3.11"
 source = { editable = "../../langchain_v1" }
 dependencies = [
     { name = "langchain-core" },
@@ -824,15 +824,15 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.1.0"
+version = "4.1.1"
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 [[package]]