Update to more recent pip version 21.0 -> 21.1 (#529)

Author: alexeagle

python/pip_install/repositories.bzl

@@ -6,13 +6,13 @@ load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
 _RULE_DEPS = [
     (
         "pypi__click",
-        "https://files.pythonhosted.org/packages/d2/3d/fa76db83bf75c4f8d338c2fd15c8d33fdd7ad23a9b5e57eb6c5de26b430e/click-7.1.2-py2.py3-none-any.whl",
-        "dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc",
+        "https://files.pythonhosted.org/packages/76/0a/b6c5f311e32aeb3b406e03c079ade51e905ea630fc19d1262a46249c1c86/click-8.0.1-py3-none-any.whl",
+        "fba402a4a47334742d782209a7c79bc448911afe1149d07bdabdf480b3e2f4b6",
     ),
     (
         "pypi__pip",
-        "https://files.pythonhosted.org/packages/fe/ef/60d7ba03b5c442309ef42e7d69959f73aacccd0d86008362a681c4698e83/pip-21.0.1-py3-none-any.whl",
-        "37fd50e056e2aed635dec96594606f0286640489b0db0ce7607f7e51890372d5",
+        "https://files.pythonhosted.org/packages/47/ca/f0d790b6e18b3a6f3bd5e80c2ee4edbb5807286c21cdd0862ca933f751dd/pip-21.1.3-py3-none-any.whl",
+        "78cb760711fedc073246543801c84dc5377affead832e103ad0211f99303a204",
     ),
     (
         "pypi__pip_tools",
@@ -21,13 +21,13 @@ _RULE_DEPS = [
     ),
     (
         "pypi__pkginfo",
-        "https://files.pythonhosted.org/packages/4f/3c/535287349af1b117e082f8e77feca52fbe2fdf61ef1e6da6bcc2a72a3a79/pkginfo-1.6.1-py2.py3-none-any.whl",
-        "ce14d7296c673dc4c61c759a0b6c14bae34e34eb819c0017bb6ca5b7292c56e9",
+        "https://files.pythonhosted.org/packages/77/83/1ef010f7c4563e218854809c0dff9548de65ebec930921dedf6ee5981f27/pkginfo-1.7.1-py2.py3-none-any.whl",
+        "37ecd857b47e5f55949c41ed061eb51a0bee97a87c969219d144c0e023982779",
     ),
     (
         "pypi__setuptools",
-        "https://files.pythonhosted.org/packages/70/06/849cc805ac6332210083f2114a95b22ee252ce81ed4e1be4f1d2b87c9108/setuptools-54.0.0-py3-none-any.whl",
-        "d85b57c41e88b69ab87065c964134ec85b7573cbab0fdaa7ef32330ed764600a",
+        "https://files.pythonhosted.org/packages/a2/e1/902fbc2f61ad6243cd3d57ffa195a9eb123021ec912ec5d811acf54a39f8/setuptools-57.1.0-py3-none-any.whl",
+        "ddae4c1b9220daf1e32ba9d4e3714df6019c5b583755559be84ff8199f7e1fe3",
     ),
     (
         "pypi__wheel",