Update to current releases of the dependencies.

CHANGES.rst

@@ -11,7 +11,7 @@ https://github.com/zopefoundation/Zope/blob/4.0a6/CHANGES.rst
 4.1.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Update to current releases of the dependencies.
 
 
 4.1 (2019-06-19)

versions-prod.cfg

@@ -34,7 +34,7 @@ funcsigs = 1.0.2
 future = 0.17.1
 ipaddress = 1.0.22
 mock = 3.0.5
-pbr = 5.2.0
+pbr = 5.3.0
 persistent = 4.5.0
 pytz = 2019.1
 roman = 3.2

versions.cfg

@@ -5,11 +5,11 @@ versions = versions
 
 [versions]
 # Version pins for development and optional dependencies.
-Babel = 2.6.0
+Babel = 2.7.0
 Jinja2 = 2.10.1
 MarkupSafe = 1.1.1
 Paste = 3.0.8
-Pygments = 2.4.0
+Pygments = 2.4.2
 # Version 2.0+ needs Python 3.x
 Sphinx = 1.8.5
 alabaster = 0.7.12
@@ -28,7 +28,7 @@ collective.recipe.template = 2.1
 colorama = 0.4.1
 coverage = 4.5.3
 docutils = 0.14
-filelock = 3.0.10
+filelock = 3.0.12
 idna = 2.8
 imagesize = 1.1.0
 lxml = 4.3.4
@@ -39,31 +39,30 @@ packaging = 19.0
 pip = 19.1.1
 pkginfo = 1.5.0.1
 plone.recipe.command = 1.1
-pluggy = 0.11.0
+pluggy = 0.12.0
 py = 1.8.0
 pycparser = 2.19
 pyparsing = 2.4.0
 python-gettext = 4.0
 readme-renderer = 24.0
 repoze.sphinx.autointerface = 0.8
-requests = 2.21.0
+requests = 2.22.0
 requests-toolbelt = 0.9.1
 snowballstemmer = 1.2.1
 soupsieve = 1.9.1
 sphinx-rtd-theme = 0.4.3
-sphinxcontrib-websupport = 1.1.0
+sphinxcontrib-websupport = 1.1.2
 toml = 0.10.0
-tox = 3.9.0
-tqdm = 4.31.1
+tox = 3.12.1
+tqdm = 4.32.2
 twine = 1.13.0
 typing = 3.6.6
-# requests version 2.21 requires urllib3 < 1.25
-urllib3 = 1.24.3
-virtualenv = 16.5.0
+urllib3 = 1.25.3
+virtualenv = 16.6.1
 webencodings = 0.5.1
 wheel = 0.33.4
 z3c.checkversions = 1.1
 zc.recipe.egg = 2.0.7
 zc.recipe.testrunner = 2.1
-zest.releaser = 6.18.2
+zest.releaser = 6.19.0
 zodbupdate = 1.2