prep 0.27.1 release (open-policy-agent#3258)

Signed-off-by: Stephan Renatus <stephan.renatus@gmail.com>

Prepare v0.27.0 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.26.0 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.2 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.1 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.0 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.0-rc4 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.0-rc3 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.25.0-rc1 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Prepare v0.24.0 release

Signed-off-by: Torin Sandall <torinsandall@gmail.com>