Add minimal permissions to some actions workflows #520

Job	Run time
Lint bash, docker, markdown, and yaml	1m 31s
Alpine bootstrap	30s
Fedora 41 bootstrap	35s
Ubuntu 20.04 bootstrap	35s
Ubuntu 22.04 bootstrap	44s
Validate Docker image builds	29s
Verify CHANGELOG is valid	7s
arm64 MacOS tests	1m 17s
arm64 MacOS bootstrap	41s
Ubuntu 24.04 bootstrap	33s
x86-64 Linux tests	1m 47s
x86-64 MacOS tests	2m 3s
x86_64 MacOS bootstrap	1m 3s
x86-64 Windows tests	4m 23s
	16m 18s

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