Release v4.6.1

- Back-port previous GitHub release notes to `.github/releases/`
- Fix SUSE and Rocky Linux 8 builds

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

.github/releases/v4.5.1.md

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+Warewulf v4.5.1 is primarily a bugfix and dependency update release.
+
+Updates to dependencies broke compatibility with CentOS 7, so we have also dropped support for CentOS 7 (which, itself, goes EOL at the end of June) in this release. (This only affects the ability to run the Warewulf server on CentOS 7: Warewulf can still provision compute node images running CentOS 7.)
+
+# Added
+
+- Document warewulf.conf:paths. #635
+- New "Overlay" template variable contains the name of the overlay being built. #1052  
+
+# Changed
+
+- Update the glossary. #819
+- Upgrade the golang version to 1.20.
+- Bump github.com/opencontainers/umoci to 0.4.7
+- Bump github.com/containers/image/v5 to 5.30.0
+- Bump github.com/docker/docker to 25.0.5+incompatible
+- Bump github.com/go-jose/go-jose/v3 to 3.0.3
+- Bump gopkg.in/go-jose/go-jose.v2 to 2.6.3
+- Bump github.com/opencontainers/runc to 1.1.12
+- Dynamically calculate version and release from Git. #1162
+- Update quickstarts to configure firewalld for dhcp. #1133
+- Omit building the API on EL7. #1171
+- Syncuser only walks the file system if it is going to write. #1207
+
+# Fixed
+
+- Fix `wwctl profile list -a` format when kernerargs are set.
+- Don't attempt to rebuild protocol buffers in offline mode. #1155
+- Fix Suse package by moving yq command to `%install` section. #1169
+- Fix a rendering bug in the documentation for GRUB boot support. #1132
+- Fix a locking issue with concurrent read/writes for node status. #1174
+- Fix shim and grub detection for aarch64. #1145
+- wwctl [profile|node] list -a now handles slices correclty. #1113
+- Fix parsing of /etc/group during syncuser. #1202