Update links to use HEAD instead of master

That way the link will keep working when projects change their
default branch name.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1914>

.gitlab-ci.yml

@@ -1,5 +1,5 @@
 include:
-    - remote: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
+    - remote: 'https://gitlab.gnome.org/GNOME/citemplates/raw/HEAD/flatpak/flatpak_ci_initiative.yml'
     - remote: 'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/3d03cccd770c04e63b40325b42223495274d6a1d/templates/fedora.yml'
     - remote: 'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/3d03cccd770c04e63b40325b42223495274d6a1d/templates/ci-fairy.yml'
 

data/theme/gnome-shell-sass/README.md

@@ -11,6 +11,6 @@ will then be synchronized periodically before releases.
 GNOME Shell Sass is distributed under the terms of the GNU General Public
 License, version 2 or later. See the [COPYING][license] file for details.
 
-[shell-subtree]: https://gitlab.gnome.org/GNOME/gnome-shell/tree/master/data/theme/gnome-shell-sass
+[shell-subtree]: https://gitlab.gnome.org/GNOME/gnome-shell/tree/HEAD/data/theme/gnome-shell-sass
 [sass-repo]: https://gitlab.gnome.org/GNOME/gnome-shell-sass
 [license]: COPYING

js/misc/weather.js

@@ -74,7 +74,7 @@ var WeatherClient = class {
             GWeather.Provider.OWM;
         this._weatherInfo = new GWeather.Info({
             application_id: 'org.gnome.Shell',
-            contact_info: 'https://gitlab.gnome.org/GNOME/gnome-shell/-/raw/master/gnome-shell.doap',
+            contact_info: 'https://gitlab.gnome.org/GNOME/gnome-shell/-/raw/HEAD/gnome-shell.doap',
             enabled_providers: providers,
         });
         this._weatherInfo.connect_after('updated', () => {

subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in

@@ -8,7 +8,7 @@
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-2.0-or-later</project_license>
 
-  <url type="homepage">https://gitlab.gnome.org/GNOME/gnome-shell/-/tree/master/subprojects/extensions-app</url>
+  <url type="homepage">https://gitlab.gnome.org/GNOME/gnome-shell/-/tree/HEAD/subprojects/extensions-app</url>
   <url type="bugtracker">https://gitlab.gnome.org/GNOME/gnome-shell/issues/new</url>
   <url type="donation">http://www.gnome.org/friends/</url>
   <url type="translate">https://wiki.gnome.org/TranslationProject</url>
@@ -44,13 +44,13 @@
 
   <screenshots>
     <screenshot type="default">
-      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/master/subprojects/extensions-app/data/metainfo/extensions-main.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/HEAD/subprojects/extensions-app/data/metainfo/extensions-main.png</image>
     </screenshot>
     <screenshot>
-      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/master/subprojects/extensions-app/data/metainfo/extensions-update.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/HEAD/subprojects/extensions-app/data/metainfo/extensions-update.png</image>
     </screenshot>
     <screenshot>
-      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/master/subprojects/extensions-app/data/metainfo/extensions-remove.png</image>
+      <image>https://gitlab.gnome.org/GNOME/gnome-shell/raw/HEAD/subprojects/extensions-app/data/metainfo/extensions-remove.png</image>
     </screenshot>
   </screenshots>
 </component>