Bump pynacl from 1.3.0 to 1.4.0 (#7998)

Bumps [pynacl](https://github.com/pyca/pynacl) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/pyca/pynacl/releases)
- [Changelog](https://github.com/pyca/pynacl/blob/master/CHANGELOG.rst)
- [Commits](pyca/pynacl@1.3.0...1.4.0)

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

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

requirements/main.txt

@@ -546,28 +546,25 @@ pymacaroons==0.13.0 \
     --hash=sha256:1e6bba42a5f66c245adf38a5a4006a99dcc06a0703786ea636098667d42903b8 \
     --hash=sha256:3e14dff6a262fdbf1a15e769ce635a8aea72e6f8f91e408f9a97166c53b91907 \
     # via -r requirements/main.in
-pynacl==1.3.0 \
-    --hash=sha256:05c26f93964373fc0abe332676cb6735f0ecad27711035b9472751faa8521255 \
-    --hash=sha256:0c6100edd16fefd1557da078c7a31e7b7d7a52ce39fdca2bec29d4f7b6e7600c \
-    --hash=sha256:0d0a8171a68edf51add1e73d2159c4bc19fc0718e79dec51166e940856c2f28e \
-    --hash=sha256:1c780712b206317a746ace34c209b8c29dbfd841dfbc02aa27f2084dd3db77ae \
-    --hash=sha256:2424c8b9f41aa65bbdbd7a64e73a7450ebb4aa9ddedc6a081e7afcc4c97f7621 \
-    --hash=sha256:2d23c04e8d709444220557ae48ed01f3f1086439f12dbf11976e849a4926db56 \
-    --hash=sha256:30f36a9c70450c7878053fa1344aca0145fd47d845270b43a7ee9192a051bf39 \
-    --hash=sha256:37aa336a317209f1bb099ad177fef0da45be36a2aa664507c5d72015f956c310 \
-    --hash=sha256:4943decfc5b905748f0756fdd99d4f9498d7064815c4cf3643820c9028b711d1 \
-    --hash=sha256:53126cd91356342dcae7e209f840212a58dcf1177ad52c1d938d428eebc9fee5 \
-    --hash=sha256:57ef38a65056e7800859e5ba9e6091053cd06e1038983016effaffe0efcd594a \
-    --hash=sha256:5bd61e9b44c543016ce1f6aef48606280e45f892a928ca7068fba30021e9b786 \
-    --hash=sha256:6482d3017a0c0327a49dddc8bd1074cc730d45db2ccb09c3bac1f8f32d1eb61b \
-    --hash=sha256:7d3ce02c0784b7cbcc771a2da6ea51f87e8716004512493a2b69016326301c3b \
-    --hash=sha256:a14e499c0f5955dcc3991f785f3f8e2130ed504fa3a7f44009ff458ad6bdd17f \
-    --hash=sha256:a39f54ccbcd2757d1d63b0ec00a00980c0b382c62865b61a505163943624ab20 \
-    --hash=sha256:aabb0c5232910a20eec8563503c153a8e78bbf5459490c49ab31f6adf3f3a415 \
-    --hash=sha256:bd4ecb473a96ad0f90c20acba4f0bf0df91a4e03a1f4dd6a4bdc9ca75aa3a715 \
-    --hash=sha256:bf459128feb543cfca16a95f8da31e2e65e4c5257d2f3dfa8c0c1031139c9c92 \
-    --hash=sha256:e2da3c13307eac601f3de04887624939aca8ee3c9488a0bb0eca4fb9401fc6b1 \
-    --hash=sha256:f67814c38162f4deb31f68d590771a29d5ae3b1bd64b75cf232308e5c74777e0 \
+pynacl==1.4.0 \
+    --hash=sha256:06cbb4d9b2c4bd3c8dc0d267416aaed79906e7b33f114ddbf0911969794b1cc4 \
+    --hash=sha256:11335f09060af52c97137d4ac54285bcb7df0cef29014a1a4efe64ac065434c4 \
+    --hash=sha256:2fe0fc5a2480361dcaf4e6e7cea00e078fcda07ba45f811b167e3f99e8cff574 \
+    --hash=sha256:30f9b96db44e09b3304f9ea95079b1b7316b2b4f3744fe3aaecccd95d547063d \
+    --hash=sha256:511d269ee845037b95c9781aa702f90ccc36036f95d0f31373a6a79bd8242e25 \
+    --hash=sha256:537a7ccbea22905a0ab36ea58577b39d1fa9b1884869d173b5cf111f006f689f \
+    --hash=sha256:54e9a2c849c742006516ad56a88f5c74bf2ce92c9f67435187c3c5953b346505 \
+    --hash=sha256:6ab15cebde37be8dc9471207e33aa7431dad57929b826b6bd243147527a4861b \
+    --hash=sha256:7757ae33dae81c300487591c68790dfb5145c7d03324000433d9a2c141f82af7 \
+    --hash=sha256:7c6092102219f59ff29788860ccb021e80fffd953920c4a8653889c029b2d420 \
+    --hash=sha256:8122ba5f2a2169ca5da936b2e5a511740ffb73979381b4229d9188f6dcb22f1f \
+    --hash=sha256:95be540c5a3359019d999c91d6ff0b59c6c30f85a70b8860a885fdf1a3f92840 \
+    --hash=sha256:9c4a7ea4fb81536c1b1f5cc44d54a296f96ae78c1ebd2311bd0b60be45a48d96 \
+    --hash=sha256:c878f2a3f9ccbce71167da0847797198138af35a7ae3f8673e80d7a6c5336d94 \
+    --hash=sha256:cd401ccbc2a249a47a3a1724c2918fcd04be1f7b54eb2a5a71ff915db0ac51c6 \
+    --hash=sha256:d452a6746f0a7e11121e64625109bc4468fc3100452817001dbe018bb8b08514 \
+    --hash=sha256:ec7aedc67d1505635761eab49feac38b8054461db6799e1b358dfd2c21efe22d \
+    --hash=sha256:f8851ab9041756003119368c1e6cd0b9c631f46d686b3904b18c0139f4419f80 \
     # via pymacaroons
 pyopenssl==19.1.0 \
     --hash=sha256:621880965a720b8ece2f1b2f54ea2071966ab00e2970ad2ce11d596102063504 \