New release 2.2.60

=== Breaking changes
 - N/A

=== New features
 - ipv4: Add new parameter prefix-route-metric. (a5f03516)

=== Bug fixes
 - cli: add `enable_time` in nmstatectl edit. (01c37e3e)
 - rust: fix clippy errors. (cc488078)
 - Add OpenSSF badge. (18c56d45)
 - policy: support array property capture. (59b93c9d)
 - nm dns: Only purge global DNS when required. (29cba673)
 - ipsec: support `leftsubnets` and `rightsubnets` options.. (325be14e)
 - bridge: allow extra ports in verification stage. (e53ce491)
 - governance: Add project governance document. (1a80ef30)
 - Include Liang Wen in emeritus maintainer list. (55937e2a)
 - Include Till Maas in emeritus maintainer list. (84a0580b)
 - python: Format the code using black 25. (9435dd2d)
 - Add license scan report and status. (0255ea1a)
 - iface: Raise error when trying to merge ifaces with different type. (efa18c8f)
 - cli/apply: log warning message when timeout is ignored. (2e998d31)
 - ip: ipv4.forwarding deserialize from string also. (767a2ae0)
 - rust: fix typo. (a7e7ebbe)
 - build(deps): update nix requirement from 0.30 to 0.31 in /rust. (8b3148e6)
 - build(deps): bump actions/download-artifact from 7 to 8. (d67adb8b)
 - build(deps): bump actions/upload-artifact from 6 to 7. (27d79c56)
 - github: change dependabot to run monthly. (f14f615a)

Signed-off-by: Íñigo Huguet <ihuguet@riseup.net>