[Misc] Force using old version of LO until XWIKI-22335 is done

  * LO 7.6.7 is no longer available in /stable/ urls, so use /old/ urls
    with a specific bug fix version for tests

pom.xml

@@ -81,7 +81,7 @@
          Note: We don't need to exact version (e.g. 7.2.7.2) since the LTS is made available using a max of 2 dots
          (e.g. 7.2.7).
     -->
-    <libreoffice.version>7.6.7</libreoffice.version>
+    <libreoffice.version>7.6.7.2</libreoffice.version>
 
     <!-- By default check that unit tests don't output anything to the console -->
     <xwiki.surefire.captureconsole.skip>false</xwiki.surefire.captureconsole.skip>

xwiki-platform-core/xwiki-platform-test/xwiki-platform-test-docker/src/main/java/org/xwiki/test/docker/internal/junit5/servletengine/ServletContainerExecutor.java

@@ -410,8 +410,9 @@ private GenericContainer<?> createServletContainer() throws Exception
                             // https://downloadarchive.documentfoundation.org/libreoffice/old so that we can benefit
                             // from automatic LTS updates without any maintenance on our side. This is because the
                             // LTS version is exposed without the full versions, e.g. 7.2.7 instead of 7.2.7.2.
+                            // TODO: Use back stable URL when upgrade to LO 24.+
                             .env("LIBREOFFICE_DOWNLOAD_URL",
-                                "https://download.documentfoundation.org/libreoffice/stable/"
+                                "https://download.documentfoundation.org/libreoffice/old/"
                                 + "$LIBREOFFICE_VERSION/deb/x86_64/"
                                 + "LibreOffice_${LIBREOFFICE_VERSION}_Linux_x86-64_deb.tar.gz")
                             // Note that we expose libreoffice /usr/local/libreoffice so that it can be found by