Make ARM builds optional in CI

Ubuntu can't get their act together and provide reliably accessible
servers. Make the repeatedly failing jobs optional for the time being.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.25.0-beta.0

Prepare for release of 0.25.0-beta.0 by bumping both libbpf-rs and
libbpf-cargo versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.8

Prepare for release of 0.24.8 by bumping both libbpf-rs and libbpf-cargo
versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.7

Prepare for release of 0.24.7 by bumping both libbpf-rs and libbpf-cargo
versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.6

Prepare for release of 0.24.6 by bumping both libbpf-rs and libbpf-cargo
versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.5

Prepare for release of 0.24.5 by bumping both libbpf-rs and libbpf-cargo
versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.4

Prepare for release of 0.24.4 by bumping both libbpf-rs and libbpf-cargo
versions accordingly.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.3

Prepare for release of 0.24.3 by bumping both libbpf-rs and libbpf-cargo
versions accordingly. The main change included is a fix for potential
clippy warnings in the generated skeleton when no BPF maps are present
in the corresponding object file.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.2

Prepare for release of 0.24.2 by bumping both libbpf-rs and libbpf-cargo
versions accordingly. The main change included is a fix for a panic on
skeleton open when the kconfig section/map is being used in the BPF
code.

Signed-off-by: Daniel Müller <deso@posteo.net>

Release 0.24.1

Prepare for release of 0.24.1 by bumping both libbpf-rs and libbpf-cargo
versions accordingly. The main change included is a fix for a memory
leak in the skeleton logic.

Signed-off-by: Daniel Müller <deso@posteo.net>