Update pathvalidate requirement from <2.5,>=2.3 to >=2.3,<2.6 in /requirements

[dependabot[bot]]

Updates the requirements on pathvalidate to permit the latest version.

Release notes

Sourced from pathvalidate's releases.

v2.5.0

• Add support for Python 3.10
• Drop support for Python 3.5
• Add null_value_handler argument to sanitize_filename/sanitize_filepath functions: #20 (Thanks to @ mkbloke)
• Add AbstractSanitizer/AbstractValidator classes to import path
• Add replace_ansi_escape function
• Add setup-ci target to Makefile
• Modify min_len/max_len to use default values when assigned minus values

Commits

• 00076c0 Bump version
• 4584e61 Update docstrings
• 2b536a0 Remove a noqa comment that no longer needed
• ef0bce3 Replace literal numbers with a constant variable
• 1aa9b5a Modify min_len/max_len to use default values when assigned minus values
• 3b5eab3 Split a test case
• 04bf2d5 Modify to use Python 3.6 syntax
• 506f01d Modify to use Python 3.6 syntax
• 1378352 Add support for Python 3.10
• acd6f48 Update README
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)