Update copyrights to 2025

Signed-off-by: Joe Block <[email protected]>

Author: unixorn

README.md

@@ -5,7 +5,7 @@
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-Copyright 2017-2024 Joe Block <[email protected]>. See [LICENSE.md](https://github.com/unixorn/sysadmin-reading-list/blob/main/LICENSE.md) for details.
+Copyright 2016-2025 Joe Block <[email protected]>. See [LICENSE.md](https://github.com/unixorn/sysadmin-reading-list/blob/main/LICENSE.md) for details.
 
 A reading list for the larval stage sysadmin/SRE. This list is focused on the UNIX family of OSes, but PRs about other OSes are welcome.