feat: update kubelet to 1.28.8

See https://github.com/kubernetes/kubernetes/releases/tag/v1.28.8

Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>

Author: smira

Makefile

@@ -5,9 +5,9 @@ TAG ?= $(shell git describe --tag --always --dirty)
 BRANCH ?= $(shell git rev-parse --abbrev-ref HEAD)
 REGISTRY_AND_USERNAME := $(REGISTRY)/$(USERNAME)
 NAME := kubelet
-KUBELET_VER := v1.27.12
-KUBELET_SHA512_AMD64 := a6ed7ee8e51fe4346e0a6145d1de77e5133782baf6cac104741168c59c1cc37afe4b05c673ccb7a2782ad12da09f08252d5aeaf9f335808e066e7bd1bbea0fef
-KUBELET_SHA512_ARM64 := cc61883c726af5eb9d755729497b2fce58b59ccd135963aa8c1bedd3b3131165e39d1141144f6b3fdc018904e1eba0cd71c9314b4659a55bab78e14cda45aaeb
+KUBELET_VER := v1.28.8
+KUBELET_SHA512_AMD64 := d419bad1b0961532fe84c6ffa005a9c3b80ff09aa3f94923558e1b7469bb624457dfb72a848398be8636a3f25d8ab6188581fbd85d393442361240295d1be555
+KUBELET_SHA512_ARM64 := 2c8fdc778f9952a9456894504dcc11281f5cf693bc22be55e0fcc4e676ba0d488a58b9d25165811d2ba5e768852e0a5ca52dc7e9563b5cf74a60953944b5604a
 
 BUILD := docker buildx build
 PLATFORM ?= linux/amd64,linux/arm64