Update golang:1.26.4-bookworm Docker digest to b305420 #1074

Job	Run time
Flowzone / Event Types (pull_request, opened)	4s
Flowzone / File list	2s
Flowzone / Versioned source	28s
Flowzone / Clean GitHub release	-1s
Flowzone / Generate release notes	6s
Flowzone / actionlint	7s
Flowzone / octoscan	12s
Flowzone / Is python	6s
Flowzone / Process docker files	9s
Flowzone / Is custom	5s
Flowzone / Is rust	5s
Flowzone / Check NodeJS versions	0s
Flowzone / Is CloudFormation	0s
Flowzone / Finalize npm docs	0s
Flowzone / Finalize npm	0s
Flowzone / Pre-commit hooks	0s
Flowzone / Is balena	0s
Flowzone / Test npm	0s
Flowzone / Finalize CloudFormation	0s
Flowzone / Test CloudFormation	0s
Flowzone / Generate SBOM for NPM	0s
Flowzone / Clean custom	0s
Flowzone / Test custom	0s
Flowzone / Finalize custom	0s
Flowzone / Test rust	0s
Flowzone / Finalize rust	0s
Flowzone / Generate SBOM for cargo	0s
Flowzone / Finalize GitHub release	-1s
Flowzone / Prepare deploy message	-1s
Flowzone / Finalize python	0s
Flowzone / Generate SBOM for python	0s
Flowzone / Test python poetry	0s
Flowzone / Test docker (default, linux/amd64, ubuntu-24.04, amd64, default)	1m 4s
Flowzone / Finalize docker	-1s
Flowzone / Publish custom (ubuntu-24.04)	1m 50s
Flowzone / All tests	2s
Flowzone / Publish npm	-1s
Flowzone / Publish balena	-1s
Flowzone / Publish rust	-1s
Flowzone / Publish to test PyPI	-1s
Flowzone / Publish website	-1s
Flowzone / Publish docker	-1s
Flowzone / Publish Github release	14s
Flowzone / Always custom	-1s
Flowzone / All jobs	3s
Flowzone / Auto-merge	0s
	4m 26s

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