CI: Also prune volumes before pulling and pushing to docker hub

[nvuillam]

No description provided.

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ API	spectral	1		0	1.25s
⚠️ BASH	bash-exec	6		1	0.02s
✅ BASH	shellcheck	6		0	0.16s
✅ BASH	shfmt	6	0	0	0.79s
✅ COPYPASTE	jscpd	yes		no	4.48s
✅ DOCKERFILE	hadolint	128		0	14.24s
✅ JSON	jsonlint	20		0	0.19s
✅ JSON	v8r	22		0	29.74s
⚠️ MARKDOWN	markdownlint	266	0	297	29.81s
✅ MARKDOWN	markdown-table-formatter	266	0	0	156.23s
⚠️ PYTHON	bandit	212		66	3.27s
✅ PYTHON	black	212	0	0	6.82s
✅ PYTHON	flake8	212		0	2.46s
✅ PYTHON	isort	212	0	0	1.57s
✅ PYTHON	mypy	212		0	22.32s
✅ PYTHON	pylint	212		0	32.09s
✅ PYTHON	ruff	212	0	0	0.93s
✅ REPOSITORY	checkov	yes		no	53.37s
✅ REPOSITORY	git_diff	yes		no	0.73s
⚠️ REPOSITORY	grype	yes		24	15.73s
✅ REPOSITORY	secretlint	yes		no	16.08s
✅ REPOSITORY	trivy	yes		no	24.64s
✅ REPOSITORY	trivy-sbom	yes		no	0.55s
⚠️ REPOSITORY	trufflehog	yes		1	13.22s
✅ SPELL	cspell	713		0	11.47s
⚠️ SPELL	lychee	348		9	58.36s
✅ XML	xmllint	3	0	0	0.79s
✅ YAML	prettier	160	0	0	5.84s
✅ YAML	v8r	102		0	191.89s
✅ YAML	yamllint	161		0	2.45s

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