chore: update module github.com/moby/buildkit to v0.12.5 [security]

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/emicklei/dot v1.6.0
 	github.com/google/go-github/v56 v56.0.0
 	github.com/hashicorp/go-multierror v1.1.1
-	github.com/moby/buildkit v0.12.3
+	github.com/moby/buildkit v0.12.5
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.1.0-rc5
 	github.com/otiai10/copy v1.14.0

go.sum

@@ -78,6 +78,8 @@ github.com/mitchellh/reflectwalk v1.0.0 h1:9D+8oIskB4VJBN5SFlmc27fSlIBZaov1Wpk/I
 github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/moby/buildkit v0.12.3 h1:cFaPVnyC0PwAP5xHHfzdU5v9rgQrCi6HnGSg3WuFKp4=
 github.com/moby/buildkit v0.12.3/go.mod h1:adB4y0SxxX8trnrY+oEulb48ODLqPO6pKMF0ppGcCoI=
+github.com/moby/buildkit v0.12.5 h1:RNHH1l3HDhYyZafr5EgstEu8aGNCwyfvMtrQDtjH9T0=
+github.com/moby/buildkit v0.12.5/go.mod h1:YGwjA2loqyiYfZeEo8FtI7z4x5XponAaIWsWcSjWwso=
 github.com/moby/sys/signal v0.7.0 h1:25RW3d5TnQEoKvRbEKUGay6DCQ46IxAVTT9CUMgmsSI=
 github.com/moby/sys/signal v0.7.0/go.mod h1:GQ6ObYZfqacOwTtlXvcmh9A26dVRul/hbOZn88Kg8Tg=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=