Bump virtualenv from 20.4.2 to 20.26.6

dev-requirements.txt

@@ -4,8 +4,6 @@
 #
 #    pip-compile dev-requirements.in
 #
-appdirs==1.4.4
-    # via virtualenv
 attrs==19.3.0
     # via
     #   pytest
@@ -14,6 +12,8 @@ bleach==3.3.0
     # via readme-renderer
 certifi==2020.12.5
     # via requests
+cffi==2.0.0
+    # via cryptography
 chardet==3.0.4
     # via requests
 cli-ui==0.10.3
@@ -28,7 +28,9 @@ contextlib2==0.6.0.post1
     # via schema
 coverage==5.4
     # via pytest-cov
-distlib==0.3.1
+cryptography==46.0.3
+    # via secretstorage
+distlib==0.4.0
     # via virtualenv
 docker==4.4.1
     # via tox-docker
@@ -38,14 +40,18 @@ docutils==0.16
     # via readme-renderer
 faker==8.1.2
     # via -r dev-requirements.in
-filelock==3.0.12
+filelock==3.20.1
     # via
     #   tox
     #   virtualenv
 idna==2.10
     # via requests
 iniconfig==1.1.1
     # via pytest
+jeepney==0.9.0
+    # via
+    #   keyring
+    #   secretstorage
 keyring==22.0.1
     # via twine
 more-itertools==8.6.0
@@ -59,6 +65,8 @@ pip-tools==5.5.0
     # via -r dev-requirements.in
 pkginfo==1.7.0
     # via twine
+platformdirs==4.5.1
+    # via virtualenv
 pluggy==0.13.1
     # via
     #   pytest
@@ -67,47 +75,50 @@ py==1.10.0
     # via
     #   pytest
     #   tox
+pycparser==2.23
+    # via cffi
 pygments==2.7.4
     # via readme-renderer
 pyparsing==2.4.7
     # via packaging
-pytest-cov==2.10.1
-    # via -r dev-requirements.in
-pytest-html==3.1.1
-    # via -r dev-requirements.in
-pytest-metadata==1.11.0
-    # via pytest-html
 pytest==6.0.2
     # via
     #   -r dev-requirements.in
     #   pytest-cov
     #   pytest-html
     #   pytest-metadata
+pytest-cov==2.10.1
+    # via -r dev-requirements.in
+pytest-html==3.1.1
+    # via -r dev-requirements.in
+pytest-metadata==1.11.0
+    # via pytest-html
 python-dateutil==2.8.1
     # via faker
 python-dotenv==0.13.0
     # via -r dev-requirements.in
 readme-renderer==28.0
     # via twine
-requests-toolbelt==0.9.1
-    # via twine
 requests==2.23.0
     # via
     #   docker
     #   requests-toolbelt
     #   twine
+requests-toolbelt==0.9.1
+    # via twine
 rfc3986==1.4.0
     # via twine
 schema==0.7.4
     # via tbump
+secretstorage==3.5.0
+    # via keyring
 six==1.15.0
     # via
     #   bleach
     #   docker
     #   python-dateutil
     #   readme-renderer
     #   tox
-    #   virtualenv
     #   websocket-client
 tabulate==0.8.9
     # via cli-ui
@@ -121,12 +132,12 @@ toml==0.10.2
     #   tox
 tomlkit==0.5.11
     # via tbump
-tox-docker==2.0.0
-    # via -r dev-requirements.in
 tox==3.15.2
     # via
     #   -r dev-requirements.in
     #   tox-docker
+tox-docker==2.0.0
+    # via -r dev-requirements.in
 tqdm==4.56.0
     # via twine
 twine==3.3.0
@@ -135,7 +146,7 @@ unidecode==1.2.0
     # via cli-ui
 urllib3==1.25.10
     # via requests
-virtualenv==20.4.2
+virtualenv==20.26.6
     # via tox
 webencodings==0.5.1
     # via bleach