Bump blinker from 1.7.0 to 1.8.1

Bumps [blinker](https://github.com/pallets-eco/blinker) from 1.7.0 to 1.8.1.
- [Release notes](https://github.com/pallets-eco/blinker/releases)
- [Changelog](https://github.com/pallets-eco/blinker/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets-eco/blinker/compare/1.7.0...1.8.1)

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

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

requirements.in

@@ -1,4 +1,4 @@
-blinker==1.7.0
+blinker==1.8.1
 certifi==2024.2.2
 charset-normalizer==3.3.2
 click==8.1.7

requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-blinker==1.7.0
+blinker==1.8.1
     # via
     #   -r requirements.in
     #   flask