minor #18361 Get ICU/intl from github instead of nebm.ist.utl.pt/~glopes (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
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Get ICU/intl from github instead of nebm.ist.utl.pt/~glopes

| Q             | A
| ------------- | ---
| Branch?       | 2.3
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

github.com should be more reliable

Commits
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8814ed0 [ci] Get ICU/intl from github instead of nebm.ist.utl.pt/~glopes

Author: fabpot

appveyor.yml

@@ -21,11 +21,11 @@ install:
     - IF %PHP%==1 appveyor DownloadFile https://curl.haxx.se/ca/cacert.pem
     - IF %PHP%==1 appveyor DownloadFile http://windows.php.net/downloads/releases/archives/php-5.3.3-nts-Win32-VC9-x86.zip
     - IF %PHP%==1 7z x php-5.3.3-nts-Win32-VC9-x86.zip -y >nul
-    - IF %PHP%==1 appveyor DownloadFile http://nebm.ist.utl.pt/~glopes/misc/intl_win/ICU-51.2-dlls.zip
+    - IF %PHP%==1 appveyor DownloadFile https://raw.githubusercontent.com/symfony/binary-utils/master/ICU-51.2-dlls.zip
     - IF %PHP%==1 7z x ICU-51.2-dlls.zip -y >nul
     - IF %PHP%==1 del /Q *.zip
     - IF %PHP%==1 cd ext
-    - IF %PHP%==1 appveyor DownloadFile http://nebm.ist.utl.pt/~glopes/misc/intl_win/php_intl-3.0.0-5.3-nts-vc9-x86.zip
+    - IF %PHP%==1 appveyor DownloadFile https://raw.githubusercontent.com/symfony/binary-utils/master/php_intl-3.0.0-5.3-nts-vc9-x86.zip
     - IF %PHP%==1 7z x php_intl-3.0.0-5.3-nts-vc9-x86.zip -y >nul
     - IF %PHP%==1 appveyor DownloadFile http://windows.php.net/downloads/pecl/releases/apcu/4.0.10/php_apcu-4.0.10-5.3-nts-vc9-x86.zip
     - IF %PHP%==1 7z x php_apcu-4.0.10-5.3-nts-vc9-x86.zip -y >nul