docs: Be flexible in tarball names

The version of the embedded hwloc and libevent are parsed out from
tarball names.  Make the regex for the version slightly more flexible
so that if there's a name change like a -ompi in the version, this
doesn't break the regex.

Signed-off-by: Brian Barrett <bbarrett@amazon.com>

Author: bwbarrett

docs/conf.py

@@ -78,9 +78,9 @@ def get_tarball_version(path, expr):
 prte_data = read_version_file(f"{ompi_top_srcdir}/3rd-party/prrte/VERSION")
 
 hwloc_embedded_version = get_tarball_version(f"{ompi_top_srcdir}/3rd-party/",
-                                             r"hwloc-(.*).tar")
+                                             r"hwloc-([^-]+).*\.tar")
 event_embedded_version = get_tarball_version(f"{ompi_top_srcdir}/3rd-party/",
-                                             r"libevent-(.*)-stable.tar")
+                                             r"libevent-([^-]+).*\.tar")
 
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