Linux packages: bump a supported SLES 15 version.

The packages are now built on SLES 15 SP6 and might not be compatible
with the older Service Packs of that distro.

Author: thresheek

Diff for: xml/en/linux_packages.xml

@@ -7,7 +7,7 @@
 <article name="nginx: Linux packages"
          link="/en/linux_packages.html"
          lang="en"
-         rev="104">
+         rev="105">
 
 <section name="Supported distributions and versions" id="distributions">
 
@@ -106,7 +106,7 @@ versions:
 </tr>
 
 <tr>
-<td width="30%">15 SP2+</td>
+<td width="30%">15 SP6+</td>
 <td>x86_64</td>
 </tr>
 

Diff for: xml/ru/linux_packages.xml

@@ -7,7 +7,7 @@
 <article name="nginx: пакеты для Linux"
          link="/ru/linux_packages.html"
          lang="ru"
-         rev="104">
+         rev="105">
 
 <section name="Поддерживаемые дистрибутивы и версии" id="distributions">
 
@@ -106,7 +106,7 @@
 </tr>
 
 <tr>
-<td width="30%">15 SP2+</td>
+<td width="30%">15 SP6+</td>
 <td>x86_64</td>
 </tr>