Bump attrs from 25.1.0 to 25.3.0

Bumps [attrs](https://github.com/sponsors/hynek) from 25.1.0 to 25.3.0.
- [Commits](https://github.com/sponsors/hynek/commits)

---
updated-dependencies:
- dependency-name: attrs
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@
 #    uv pip compile --output-file requirements.txt requirements.in
 anyio==4.8.0
     # via watchfiles
-attrs==25.1.0
+attrs==25.3.0
     # via -r requirements.in
 blinker==1.9.0
     # via pelican
@@ -56,8 +56,6 @@ smmap==5.0.2
     # via gitdb
 sniffio==1.3.1
     # via anyio
-typing-extensions==4.12.2
-    # via anyio
 typogrify==2.1.0
     # via -r requirements.in
 unidecode==1.3.8