Change link to RPM snapshots

We no longer just build daily snapshots of LLVM as RPMs for Fedora but also for RHEL and CentOS stream operating systems.  Therefore this link needed a more generic title.
diff --git a/header.incl b/header.incl
index 8d467ed..d20cf90 100644
--- a/header.incl
+++ b/header.incl
@@ -44,7 +44,7 @@
 <a href="https://releases.llvm.org/"><b>LLVM&nbsp;19.1.0</b></a><br>
 <a href="/releases/">All Releases</a><br>
 <a href="https://apt.llvm.org/">APT Packages</a><br>
-<a href="https://copr.fedorainfracloud.org/coprs/g/fedora-llvm-team/llvm-snapshots/">Fedora Snapshot Packages</a><br>
+<a href="https://copr.fedorainfracloud.org/coprs/g/fedora-llvm-team/llvm-snapshots/">RPM Snapshots</a><br>
 <a href="https://prereleases.llvm.org/">Pre-releases</a><br>
 <br>