Fix the url for downloading the RHEL 8 packages

Update yum-download-rpm.md

Author: alina-derkach-oaza

docs/yum-download-rpm.md

@@ -17,7 +17,7 @@ The following example downloads *Percona Server for MySQL* {{release}} release p
 1. Using [`Wget`](https://www.gnu.org/software/wget/), the following command downloads a specific version of Percona Server for MySQL on Red Hat Enterprise Linux 8 from the Percona website. 
 
 	```{.bash data-prompt="$"}
-	$ wget https://downloads.percona.com/downloads/Percona-Server-8.0/Percona-Server-{{release}}/binary/redhat/8/x86_64/Percona-Server-{{release}}-re5c6e9d2-el8-x86_64-bundle.tar
+	$ wget https://downloads.percona.com/downloads/Percona-Server-8.0/Percona-Server-{{release}}/binary/redhat/8/x86_64/Percona-Server-{{release}}-re2841f91-el8-x86_64-bundle.tar
 	```
 
 2. The following command extracts the contents of Percona Server for MySQL tarball. The `tar` command uses these options for the extraction: