Update cefclient example application links

Author: amaitland

.github/ISSUE_TEMPLATE/bug_report.md

@@ -66,8 +66,8 @@ Delete this line and everything above, and then fill in the details below.
 
 - **Does this problem also occur in the `CEF` Sample Application**
     - Download one of the following:
-    - For x86 download http://opensource.spotify.com/cefbuilds/cef_binary_84.4.1%2Bgfdc7504%2Bchromium-84.0.4147.105_windows32_client.tar.bz2
-    - For x64 download http://opensource.spotify.com/cefbuilds/cef_binary_84.4.1%2Bgfdc7504%2Bchromium-84.0.4147.105_windows64_client.tar.bz2
+    - For x86 download https://cef-builds.spotifycdn.com/cef_binary_86.0.24%2Bg85e79d4%2Bchromium-86.0.4240.198_windows32_client.tar.bz2
+    - For x64 download https://cef-builds.spotifycdn.com/cef_binary_86.0.24%2Bg85e79d4%2Bchromium-86.0.4240.198_windows64_client.tar.bz2
 	- Extract and run cefclient.exe
 		- If you are using WPF/OffScreen run
 		```

CONTRIBUTING.md

@@ -19,8 +19,8 @@ The upstream [`CEF` forum](http://magpcss.org/ceforum/) is a valuable resource,
 It maybe helpful to run the `cefclient` application and compare output with `CefSharp`. The `WinForms` and `WPF` versions use two different rendering modes, `WPF` uses Offscreen Rendering (`OSR`). `OffScreen` also uses `OSR` mode.
 
   - Download one of the following:
-    - For x86 download http://opensource.spotify.com/cefbuilds/cef_binary_84.4.1%2Bgfdc7504%2Bchromium-84.0.4147.105_windows32_client.tar.bz2
-    - For x64 download http://opensource.spotify.com/cefbuilds/cef_binary_84.4.1%2Bgfdc7504%2Bchromium-84.0.4147.105_windows64_client.tar.bz2
+    - For x86 download https://cef-builds.spotifycdn.com/cef_binary_86.0.24%2Bg85e79d4%2Bchromium-86.0.4240.198_windows32_client.tar.bz2
+    - For x64 download https://cef-builds.spotifycdn.com/cef_binary_86.0.24%2Bg85e79d4%2Bchromium-86.0.4240.198_windows64_client.tar.bz2
 	- Extract and run cefclient.exe
 		- If you are using WPF/OffScreen run
 		```
@@ -51,7 +51,7 @@ Your bug report should **always follow this template**:
     - A stack trace if available, any Exception information.
     - Does the cef log provide any relevant information? (By default there should be a debug.log file in your bin directory)
 - Any other background information that's relevant? Are you doing something out of the ordinary? 3rd party controls?
-- **Does this problem also occur in the `CEF Sample Application` from http://opensource.spotify.com/cefbuilds/index.html?**
+- **Does this problem also occur in the `CEF Sample Application` from https://cef-builds.spotifycdn.com/index.html?**
 
 Your bug report should include **what you were doing** in the software when you encountered it, **what you were expecting** to happen and **what happened instead**.