Update flaky requirement from ~=3.7 to ~=3.8 (#1283)

* Update flaky requirement from ~=3.7 to ~=3.8

Updates the requirements on [flaky](https://github.com/box/flaky) to permit the latest version.
- [Release notes](https://github.com/box/flaky/releases)
- [Changelog](https://github.com/box/flaky/blob/master/HISTORY.rst)
- [Commits](box/flaky@v3.7.0...v3.8.1)

---
updated-dependencies:
- dependency-name: flaky
  dependency-type: direct:development
...

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

* Add automated changelog yaml from template for bot PR

* update changelog name to avoid conflict with contemporaneous dependabot update

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Github Build Bot <[email protected]>
Co-authored-by: Mike Alfare <[email protected]>
Co-authored-by: Mike Alfare <[email protected]>

Author: 3 people

.changes/unreleased/Dependencies-20240718-005757.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Update flaky requirement from ~=3.7 to ~=3.8"
+time: 2024-07-18T00:57:57.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 1283

dev-requirements.txt

@@ -11,7 +11,7 @@ bumpversion~=0.6.0
 click~=8.1
 ddtrace==2.3.0
 flake8~=7.0
-flaky~=3.7
+flaky~=3.8
 freezegun~=1.4
 ipdb~=0.13.13
 mypy==1.8.0  # patch updates have historically introduced breaking changes