Update vcrpy requirement from ~=7.0.0 to ~=8.1.0 (#902)

Updates the requirements on [vcrpy](https://github.com/kevin1024/vcrpy) to permit the latest version.
- [Release notes](https://github.com/kevin1024/vcrpy/releases)
- [Changelog](https://github.com/kevin1024/vcrpy/blob/master/docs/changelog.rst)
- [Commits](kevin1024/vcrpy@v7.0.0...v8.1.0)

---
updated-dependencies:
- dependency-name: vcrpy
  dependency-version: 8.1.0
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -58,7 +58,7 @@ test = [
     "coverage ~=7.13.1",
     "pyflakes ~=3.4.0",
     "pytest ~=9.0.1",
-    "vcrpy ~=7.0.0",
+    "vcrpy ~=8.1.0",
     "requests-mock ~=1.12.1",
 ]