[4.1] Missing error strings in installation (#37286)

Partial PR for #36370
see #36370 (comment)

Co-authored-by: Quy <[email protected]>

Author: brianteeman

installation/language/en-GB/joomla.ini

@@ -253,6 +253,9 @@ JLIB_INSTALLER_ERROR_FAIL_COPY_FILE="JInstaller: :Install: Failed to copy file %
 JLIB_INSTALLER_INSTALL="Install"
 JLIB_INSTALLER_NOT_ERROR="If the error is related to the installation of TinyMCE language files it has no effect on the installation of the language(s). Some language packs created prior to Joomla 3.2.0 may try to install separate TinyMCE language files. As these are now included in the core they no longer need to be installed."
 JLIB_INSTALLER_WARNING_UNABLE_TO_INSTALL_CONTENT_LANGUAGE="Unable to create a content language for %s language: %s."
+JLIB_UPDATER_ERROR_COLLECTION_FOPEN="The PHP allow_url_fopen setting is disabled. This setting must be enabled for the updater to work."
+JLIB_UPDATER_ERROR_COLLECTION_OPEN_URL="Update: :Collection: Could not open %s"
+JLIB_UPDATER_ERROR_COLLECTION_PARSE_URL="Update: :Collection: Could not parse %s"
 JLIB_UPDATER_ERROR_OPEN_UPDATE_SITE="Update: Could not open update site #%d "%s", URL: %s."
 JLIB_UTIL_ERROR_CONNECT_DATABASE="JDatabase: :getInstance: Could not connect to database <br>joomla.library: %1$s - %2$s."