[utility] Database utility charts

This PS bumps up database utility charts version in order to make sure
smooth upgrade will happen from previous versions.

Also in this PS were included several tox4 related changes.

Change-Id: I888b7186f0a10e83dd7af6a419c6d933ad0fc65b

charts/etcdctl-utility/Chart.yaml

@@ -13,4 +13,4 @@
 apiVersion: v1
 description: etcdctl Client
 name: etcdctl-utility
-version: 0.1.1
+version: 0.1.2

charts/mysqlclient-utility/Chart.yaml

@@ -13,4 +13,4 @@
 apiVersion: v1
 description: Porthole MySql Client
 name: mysqlclient-utility
-version: 0.1.1
+version: 0.1.2

charts/postgresql-utility/Chart.yaml

@@ -14,4 +14,4 @@
 apiVersion: v1
 description: PostgreSQL Client
 name: postgresql-utility
-version: 0.1.0
+version: 0.1.1

requirements-frozen.txt

@@ -52,7 +52,7 @@ stestr==3.2.1
 stevedore==3.3.0
 testtools==2.4.0
 traceback2==1.4.0
-typing-extensions==3.7.4.3
+typing-extensions==3.10.0.2
 unittest2==1.1.0
 urllib3==1.26.2
 voluptuous==0.12.1

test-requirements.txt

@@ -4,18 +4,18 @@
 
 # When modifying this file `tox -e freeze-testreq` must be run to regenerate the test-requirements-frozen.txt.
 
-astroid==2.3.3
+astroid==2.11.7
 bandit==1.5.1
 
 flake8==3.7.9
 hacking==3.1.0 # Apache-2.0
 
 coverage==4.5.1 # Apache-2.0
-pylint==2.4.4
+pylint==2.14.5
 python-subunit==1.4.0 # Apache-2.0/BSD
 oslotest==3.7.0 # Apache-2.0
-stestr==3.1.0 # Apache-2.0
-testtools==2.3.0 # MIT
+stestr==3.2.1 # Apache-2.0
+testtools==2.4.0 # MIT
 mock==3.0.5
 nose==1.3.7
 responses==0.10.2

tox.ini

@@ -6,7 +6,16 @@ skipsdist = true
 [testenv:dev]
 useddevelop = True
 basepython = python3
-passenv = http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
+passenv =
+  http_proxy
+  HTTP_PROXY
+  https_proxy
+  HTTPS_PROXY
+  no_proxy
+  NO_PROXY
+
+allowlist_externals = find
+
 setenv =
   VIRTUAL_ENV={envdir}
   PYTHONWARNINGS=default::DeprecationWarning
@@ -25,7 +34,7 @@ commands_pre =
 [testenv:venv]
 commands = {posargs}
 
-[testenv:py36]
+[testenv:py38]
 setenv =
   PYTHONWARNING=all
 deps = -r{toxinidir}/requirements-frozen.txt