Bump codecov from 2.1.0 to 2.1.3 (#200)

Bumps [codecov](https://github.com/codecov/codecov-python) from 2.1.0 to 2.1.3.
- [Release notes](https://github.com/codecov/codecov-python/releases)
- [Changelog](https://github.com/codecov/codecov-python/blob/master/CHANGELOG.md)
- [Commits](https://github.com/codecov/codecov-python/commits)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Pipfile.lock

@@ -253,10 +253,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "version": "==1.15.0"
         },
         "sqlalchemy": {
             "hashes": [
@@ -399,10 +399,10 @@
         },
         "codecov": {
             "hashes": [
-                "sha256:43ad6cb3e7de073d911aa3ab6a754db88d270fcb0e0d8e2062b964098a51d69b"
+                "sha256:2ebd639d8f621aabcce399e475b0302e436cb7e00e7724d1b2224bbf3f215a0c"
             ],
             "index": "pypi",
-            "version": "==2.1.0"
+            "version": "==2.1.3"
         },
         "coverage": {
             "hashes": [
@@ -728,10 +728,10 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:3c292b474fda1671ec57d46d739d072bfd495a4f51ad01a055121d81e952b7a3",
-                "sha256:82f77b9bee21c1bafbf35a84905d604d5d1223801d639cf3ed140bd651c08752"
+                "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
+                "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
             ],
-            "version": "==20.3"
+            "version": "==20.4"
         },
         "pathspec": {
             "hashes": [
@@ -895,10 +895,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "version": "==1.15.0"
         },
         "sniffio": {
             "hashes": [