Update genproto

Author: vgvoleg

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py-proto4,py-proto3,py-tls-proto4,py-tls-proto3,style,pylint,black,protoc,py-cov
+envlist = py-proto5,py-proto4,py-proto3,py-tls-proto5,py-tls-proto4,py-tls-proto3,style,pylint,black,protoc,py-cov-proto4
 minversion = 4.2.6
 skipsdist = True
 ignore_basepython_conflict = true
@@ -12,6 +12,12 @@ setenv =
 deps =
     -r{toxinidir}/test-requirements.txt
 
+[testenv:dev-proto5]
+commands =
+deps =
+    -r{toxinidir}/test-requirements.txt
+    protobuf<6.0.0
+
 [testenv:dev-proto4]
 commands =
 deps =
@@ -24,6 +30,13 @@ deps =
     -r{toxinidir}/test-requirements.txt
     protobuf<4.0.0
 
+[testenv:py-proto5]
+commands =
+    pytest -v -m "not tls" --docker-compose-remove-volumes --docker-compose=docker-compose.yml {posargs}
+deps =
+    -r{toxinidir}/test-requirements.txt
+    protobuf<6.0.0
+
 [testenv:py-proto4]
 commands =
     pytest -v -m "not tls" --docker-compose-remove-volumes --docker-compose=docker-compose.yml {posargs}
@@ -47,6 +60,13 @@ deps =
     -r{toxinidir}/test-requirements.txt
     protobuf<4.0.0
 
+[testenv:py-tls-proto5]
+commands =
+    pytest -v -m tls --docker-compose-remove-volumes --docker-compose=docker-compose-tls.yml {posargs}
+deps =
+    -r{toxinidir}/test-requirements.txt
+    protobuf<6.0.0
+
 [testenv:py-tls-proto4]
 commands =
     pytest -v -m tls --docker-compose-remove-volumes --docker-compose=docker-compose-tls.yml {posargs}