Switch to the new GPG key for Debians

Author: postgres-dev

pg_probackup/index.html

@@ -181,7 +181,7 @@
       Add the <span class="application">pg_probackup</span> repository GPG key
       <pre class="programlisting">
 sudo apt install gpg wget
-wget -qO - https://repo.postgrespro.ru/pg_probackup/keys/GPG-KEY-PG_PROBACKUP | \
+wget -qO - https://repo.postgrespro.ru/pg_probackup/keys/GPG-KEY-PG-PROBACKUP | \
 sudo tee /etc/apt/trusted.gpg.d/pg_probackup.asc
 </pre></li><li class="listitem">
       Setup the binary package repository