chore(whatwg-fetch): downgrade to 2.0.4

see JakeChampion/fetch#657

Signed-off-by: Patrick Ludewig <yes@patrick.works>

.gitignore

@@ -1,3 +1,237 @@
 node_modules
 .DS_Store
 .node-version
+# Project dependencies
+.cache
+node_modules
+yarn-error.log
+package-lock.json
+yarn.lock
+
+# Build directory
+/public
+.DS_Store
+
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
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+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
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+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
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+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
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+.rpt2_cache/
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+
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+
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+*.tgz
+
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+.yarn-integrity
+
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+
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+.tern-port
+
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+
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+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
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+.AppleDB
+.AppleDesktop
+Network Trash Folder
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+*.css.map
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package.json

@@ -20,7 +20,7 @@
   "dependencies": {
     "prop-types": "^15.6.0",
     "styled-components": "^4.1.3",
-    "whatwg-fetch": "^3.0.0"
+    "whatwg-fetch": "^2.0.4"
   },
   "devDependencies": {
     "@babel/cli": "^7.2.3",

yarn.lock

@@ -7025,10 +7025,10 @@ whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3, whatwg-encoding@^1.0.5:
   dependencies:
     iconv-lite "0.4.24"
 
-whatwg-fetch@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"
-  integrity sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==
+whatwg-fetch@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
+  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
 
 whatwg-mimetype@^2.1.0, whatwg-mimetype@^2.2.0, whatwg-mimetype@^2.3.0:
   version "2.3.0"