chore(deps): update module github.com/containerd/containerd to v1.7.29 [security]

Signed-off-by: cilium-renovate[bot] <134692979+cilium-renovate[bot]@users.noreply.github.com>

Author: cilium-renovate[bot]

go.mod

@@ -174,7 +174,7 @@ require (
 	github.com/cilium/endpointslice v0.29.4-0.20240409195643-982ad68ab7ba // indirect
 	github.com/cilium/linters v0.3.0 // indirect
 	github.com/cncf/xds/go v0.0.0-20250501225837-2ac532fd4443 // indirect
-	github.com/containerd/containerd v1.7.28 // indirect
+	github.com/containerd/containerd v1.7.29 // indirect
 	github.com/containerd/errdefs v0.3.0 // indirect
 	github.com/containerd/errdefs/pkg v0.3.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect

go.sum

@@ -367,7 +367,7 @@ github.com/cncf/xds/go/xds/annotations/v3
 github.com/cncf/xds/go/xds/core/v3
 github.com/cncf/xds/go/xds/type/matcher/v3
 github.com/cncf/xds/go/xds/type/v3
-# github.com/containerd/containerd v1.7.28
+# github.com/containerd/containerd v1.7.29
 ## explicit; go 1.23.0
 github.com/containerd/containerd/archive/compression
 github.com/containerd/containerd/content