Bump k8s.io/kubectl from 0.18.17 to 0.30.0 #656

Job	Run time
Lint	25s
Test (ubuntu-latest, 1.21.x)	1s
Test (ubuntu-latest, 1.17.x)	1s
Build Fyneterm (linux, 1.21.x)	1m 38s
Test (macos-latest, 1.21.x)	27s
Build Calculator (linux, 1.21.x)	1m 56s
Build Fyneterm (windows, 1.21.x)	2m 25s
Verify k8s build (ubuntu-latest, 1.18.x)	23s
Build Calculator (windows, 1.21.x)	2m 24s
Build Fyneterm (freebsd, 1.21.x)	1m 52s
Verify k8s build (macos-latest, 1.18.x)	25s
Build Calculator (freebsd, 1.21.x)	2m 2s
Build Fyneterm (android, 1.21.x)	2m 34s
Verify k8s build (windows-latest, 1.18.x)	25s
Build Calculator (android, 1.21.x)	2m 36s
Build Fyneterm (linux, 1.17.x)	2m 0s
Build Calculator (web, 1.21.x)	2m 10s
Build Fyneterm (windows, 1.17.x)	2m 17s
Build Calculator (linux, 1.17.x)	1m 39s
Test (macos-latest, 1.17.x)	1s
Build Fyneterm (freebsd, 1.17.x)	1m 39s
Build Calculator (windows, 1.17.x)	2m 33s
Test (windows-latest, 1.21.x)	1s
Build Fyneterm (android, 1.17.x)	2m 35s
Test (windows-latest, 1.17.x)	30s
Build Calculator (freebsd, 1.17.x)	1m 57s
Build Calculator (android, 1.17.x)	2m 27s
Build Calculator (web, 1.17.x)	1m 37s
	41m 0s

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