build(deps): bump packaging from 20.7 to 20.8 (#388)

Bumps [packaging](https://github.com/pypa/packaging) from 20.7 to 20.8.
- [Release notes](https://github.com/pypa/packaging/releases)
- [Changelog](https://github.com/pypa/packaging/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pypa/packaging/compare/20.7...20.8)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Pipfile.lock

@@ -696,11 +696,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:05af3bb85d320377db281cf254ab050e1a7ebcbf5410685a9a407e18a1f81236",
-                "sha256:eb41423378682dadb7166144a4926e443093863024de508ca5c9737d6bc08376"
+                "sha256:24e0da08660a87484d1602c30bb4902d74816b6985b93de36926f5bc95741858",
+                "sha256:78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093"
             ],
             "index": "pypi",
-            "version": "==20.7"
+            "version": "==20.8"
         },
         "prometheus-client": {
             "hashes": [
@@ -1473,11 +1473,11 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:05af3bb85d320377db281cf254ab050e1a7ebcbf5410685a9a407e18a1f81236",
-                "sha256:eb41423378682dadb7166144a4926e443093863024de508ca5c9737d6bc08376"
+                "sha256:24e0da08660a87484d1602c30bb4902d74816b6985b93de36926f5bc95741858",
+                "sha256:78598185a7008a470d64526a8059de9aaa449238f280fc9eb6b13ba6c4109093"
             ],
             "index": "pypi",
-            "version": "==20.7"
+            "version": "==20.8"
         },
         "pathspec": {
             "hashes": [