ci: doc: bump anytree in /doc in the doc-deps group

Bumps the doc-deps group in /doc with 1 update: [anytree](https://github.com/c0fec0de/anytree).


Updates `anytree` from 2.12.1 to 2.13.0
- [Release notes](https://github.com/c0fec0de/anytree/releases)
- [Commits](c0fec0de/anytree@2.12.1...2.13.0)

---
updated-dependencies:
- dependency-name: anytree
  dependency-version: 2.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: doc-deps
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

doc/requirements.txt

@@ -14,9 +14,9 @@ anyio==4.9.0 \
     # via
     #   starlette
     #   watchfiles
-anytree==2.12.1 \
-    --hash=sha256:244def434ccf31b668ed282954e5d315b4e066c4940b94aff4a7962d85947830 \
-    --hash=sha256:5ea9e61caf96db1e5b3d0a914378d2cd83c269dfce1fb8242ce96589fa3382f0
+anytree==2.13.0 \
+    --hash=sha256:4cbcf10df36b1f1cba131b7e487ff3edafc9d6e932a3c70071b5b768bab901ff \
+    --hash=sha256:c9d3aa6825fdd06af7ebb05b4ef291d2db63e62bb1f9b7d9b71354be9d362714
     # via -r requirements.in
 babel==2.17.0 \
     --hash=sha256:0c54cffb19f690cdcc52a3b50bcbf71e07a808d1c80d549f2459b9d2cf0afb9d \
@@ -522,7 +522,6 @@ six==1.17.0 \
     --hash=sha256:4721f391ed90541fddacab5acf947aa0d3dc7d27b2e1e8eda2be8970586c3274 \
     --hash=sha256:ff70335d468e7eb6ec65b95b99d3a2836546063f63acc5171de367e834932a81
     # via
-    #   anytree
     #   doxmlparser
     #   python-dateutil
 sniffio==1.3.1 \