chore(deps): bump skyfield from 1.21 to 1.29

Bumps [skyfield](https://github.com/brandon-rhodes/python-skyfield) from 1.21 to 1.29.
- [Release notes](https://github.com/brandon-rhodes/python-skyfield/releases)
- [Changelog](https://github.com/skyfielders/python-skyfield/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/brandon-rhodes/python-skyfield/compare/1.21...1.29)

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

Pipfile.lock

@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:5ad7e9a056d25ffa5082862e36f119f7f7cec6457fa07ee2f8c339814b80c9b1",
-                "sha256:9cd41137dc19af6a5e03b630eefe7d1f458d964d406342dd3edf625839b944cc"
+                "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3",
+                "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"
             ],
-            "version": "==2020.4.5.2"
+            "version": "==2020.6.20"
         },
         "data": {
             "hashes": [
@@ -51,9 +51,9 @@
         },
         "jplephem": {
             "hashes": [
-                "sha256:316aa8ebb6d13fd2158c06b2709bcde382d04bf63bb1e48d0bce89937088c6e3"
+                "sha256:e0017de1a45015b247faa8d15ebf35d2014abe949135f3703a3252adb96e43b1"
             ],
-            "version": "==2.14"
+            "version": "==2.15"
         },
         "latex": {
             "hashes": [
@@ -147,10 +147,10 @@
         },
         "skyfield": {
             "hashes": [
-                "sha256:14991dde6464dfa1c34479f6b274c07f2e84323b3a751faed62dd676b7bf69ce"
+                "sha256:80b67acb8b655305890d80005cd5e53986c459fb01521637e433df751d3bce86"
             ],
             "index": "pypi",
-            "version": "==1.21"
+            "version": "==1.29"
         },
         "tabulate": {
             "hashes": [
@@ -192,10 +192,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:5ad7e9a056d25ffa5082862e36f119f7f7cec6457fa07ee2f8c339814b80c9b1",
-                "sha256:9cd41137dc19af6a5e03b630eefe7d1f458d964d406342dd3edf625839b944cc"
+                "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3",
+                "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"
             ],
-            "version": "==2020.4.5.2"
+            "version": "==2020.6.20"
         },
         "chardet": {
             "hashes": [
@@ -206,39 +206,42 @@
         },
         "coverage": {
             "hashes": [
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-                "sha256:f90bfc4ad18450c80b024036eaf91e4a246ae287701aaa88eaebebf150868052"
-            ],
-            "version": "==5.1"
+                "sha256:0203acd33d2298e19b57451ebb0bed0ab0c602e5cf5a818591b4918b1f97d516",
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+                "sha256:381ead10b9b9af5f64646cd27107fb27b614ee7040bb1226f9c07ba96625cbb5",
+                "sha256:47a11bdbd8ada9b7ee628596f9d97fbd3851bd9999d398e9436bd67376dbece7",
+                "sha256:4d6a42744139a7fa5b46a264874a781e8694bb32f1d76d8137b68138686f1729",
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+                "sha256:c1b78fb9700fc961f53386ad2fd86d87091e06ede5d118b8a50dea285a071c24",
+                "sha256:c3888a051226e676e383de03bf49eb633cd39fc829516e5334e69b8d81aae751",
+                "sha256:c5f17ad25d2c1286436761b462e22b5020d83316f8e8fcb5deb2b3151f8f1d3a",
+                "sha256:c851b35fc078389bc16b915a0a7c1d5923e12e2c5aeec58c52f4aa8085ac8237",
+                "sha256:cb7df71de0af56000115eafd000b867d1261f786b5eebd88a0ca6360cccfaca7",
+                "sha256:cedb2f9e1f990918ea061f28a0f0077a07702e3819602d3507e2ff98c8d20636",
+                "sha256:e8caf961e1b1a945db76f1b5fa9c91498d15f545ac0ababbe575cfab185d3bd8"
+            ],
+            "version": "==5.3"
         },
         "coveralls": {
             "hashes": [
@@ -256,10 +259,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.9"
+            "version": "==2.10"
         },
         "isort": {
             "hashes": [
@@ -326,10 +329,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
+                "sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b",
+                "sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898"
             ],
-            "version": "==2.23.0"
+            "version": "==2.24.0"
         },
         "six": {
             "hashes": [
@@ -354,10 +357,10 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527",
-                "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"
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             "hashes": [