Bump waitress from 2.1.2 to 3.0.0 in /dependabot (#27)

* Bump waitress from 2.1.2 to 3.0.0 in /dependabot

Bumps [waitress](https://github.com/Pylons/waitress) from 2.1.2 to 3.0.0.
- [Release notes](https://github.com/Pylons/waitress/releases)
- [Changelog](https://github.com/Pylons/waitress/blob/main/CHANGES.txt)
- [Commits](Pylons/waitress@v2.1.2...v3.0.0)

---
updated-dependencies:
- dependency-name: waitress
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Version synchronization

* Enter max Python 3.7 version

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>
Co-authored-by: Michael Howitz <m.howitz@minddistrict.com>

dependabot/requirements.txt

@@ -49,7 +49,7 @@ soupsieve==2.5
 tqdm==4.66.1
 traitlets==5.14.1
 twine==4.0.2
-waitress==2.1.2
+waitress==3.0.0
 WebOb==1.8.7
 WebTest==3.0.0
 WSGIProxy2==0.5.1

grok-versions.cfg

@@ -53,7 +53,7 @@ soupsieve = 2.5
 tqdm = 4.66.1
 traitlets = 5.14.1
 twine = 4.0.2
-waitress = 2.1.2
+waitress = 3.0.0
 WebOb = 1.8.7
 WebTest = 3.0.0
 WSGIProxy2 = 0.5.1
@@ -69,6 +69,7 @@ importlib-resources = 5.12.0
 # Newer versions require Python 3.8+
 soupsieve = 2.4.1
 typing-extensions = 4.7.1
+waitress = 2.1.2
 zipp = 3.15.0
 
 [versions:python38]