Add pyinvoke task

Ensure git tag matches package versions before uploading

requirements/test.txt

@@ -1,14 +1,23 @@
-attrs-21.2.0
-coverage-5.5
+async-timeout==3.0.1
+attrs==21.2.0
+bleach==4.0.0
+chardet==4.0.0
+coverage==5.5
+docutils==0.17.1
+idna==3.2
 iniconfig==1.1.1
+multidict==5.1.0
 packaging==21.0
 pluggy==0.13.1
 py==1.10.0
+Pygments==2.9.0
 pyparsing==2.4.7
-pytest==6.2.4
+pytest==6.1.2
 pytest-aiohttp==0.3.0
-pytest-cov-2.12.1
-pyyaml==5.3.1
-six==1.15.0
+pytest-cov==2.10.1
+readme-renderer==29.0
+six==1.16.0
 toml==0.10.2
-typing-extensions==3.7.4.3
+typing-extensions==3.10.0.0
+webencodings==0.5.1
+yarl==1.6.3