Bump the all group in /dependabot with 4 updates

Bumps the all group in /dependabot with 4 updates: [zope-interface](https://github.com/zopefoundation/zope.interface), [zope-proxy](https://github.com/zopefoundation/zope.proxy), [zope-testrunner](https://github.com/zopefoundation/zope.testrunner) and [cffi](https://github.com/python-cffi/cffi).


Updates `zope-interface` from 6.4.post2 to 7.0.1
- [Changelog](https://github.com/zopefoundation/zope.interface/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zope.interface@6.4.post2...7.0.1)

Updates `zope-proxy` from 5.2 to 5.3
- [Changelog](https://github.com/zopefoundation/zope.proxy/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zope.proxy@5.2...5.3)

Updates `zope-testrunner` from 6.4 to 6.5
- [Changelog](https://github.com/zopefoundation/zope.testrunner/blob/master/CHANGES.rst)
- [Commits](zopefoundation/zope.testrunner@6.4...6.5)

Updates `cffi` from 1.16.0 to 1.17.0
- [Release notes](https://github.com/python-cffi/cffi/releases)
- [Commits](python-cffi/cffi@v1.16.0...v1.17.0)

---
updated-dependencies:
- dependency-name: zope-interface
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all
- dependency-name: zope-proxy
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
- dependency-name: zope-testrunner
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
- dependency-name: cffi
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all
...

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

dependabot/requirements.txt

@@ -29,7 +29,7 @@ zope.hookable==6.0
 zope.i18n==5.1
 zope.i18nmessageid==6.1.0
 zope.index==6.1
-zope.interface==6.4.post2
+zope.interface==7.0.1
 zope.intid==5.0
 zope.keyreference==6.0
 zope.lifecycleevent==5.0
@@ -43,7 +43,7 @@ zope.pluggableauth==3.0
 zope.principalannotation==5.0
 zope.principalregistry==5.0
 zope.processlifetime==3.0
-zope.proxy==5.2
+zope.proxy==5.3
 zope.ptresource==5.0
 zope.publisher==7.0
 zope.ramcache==3.0
@@ -58,7 +58,7 @@ zope.structuredtext==5.0
 zope.tal==5.0.1
 zope.tales==6.0
 zope.testing==5.0.1
-zope.testrunner==6.4
+zope.testrunner==6.5
 zope.traversing==5.0
 zope.untrustedpython==6.1
 zope.viewlet==5.0
@@ -67,7 +67,7 @@ RestrictedPython==7.2
 ZConfig==4.1
 ZODB==6.0
 bcrypt==4.2.0
-cffi==1.16.0
+cffi==1.17.0
 multipart==0.2.5
 persistent==6.0
 pycparser==2.22