Fix gitpython 3.1.17 dependencies

[chenghlee]

Repodata diff:

--- main/noarch/reference_repodata.json 2021-05-14 12:55:52.677460048 -0500
+++ main/noarch/repodata-patched.json   2021-05-14 12:56:05.221417236 -0500
@@ -24184,12 +24184,12 @@
     "gitpython-3.1.17-pyhd3eb1b0_1.tar.bz2": {
       "build": "pyhd3eb1b0_1",
       "build_number": 1,
       "depends": [
         "gitdb >=4.0.1,<5",
-        "python >=3.4",
-        "smmap >=3.0.1,<4"
+        "python >=3.5",
+        "typing-extensions >=3.7.4.0"
       ],
       "license": "BSD-3-Clause",
       "license_family": "BSD",
       "md5": "c57ad4b1450291c4db46dc08093ba138",
       "name": "gitpython",
@@ -89699,12 +89699,12 @@
     "gitpython-3.1.17-pyhd3eb1b0_1.conda": {
       "build": "pyhd3eb1b0_1",
       "build_number": 1,
       "depends": [
         "gitdb >=4.0.1,<5",
-        "python >=3.4",
-        "smmap >=3.0.1,<4"
+        "python >=3.5",
+        "typing-extensions >=3.7.4.0"
       ],
       "license": "BSD-3-Clause",
       "license_family": "BSD",
       "md5": "b8579b2223321bb707e4bb9c2c5c4a1e",
       "name": "gitpython",