Update OpenSearch to version 2.14.0 and add encrypted repository support

[KastTrifork]

Support for https://github.com/Aiven-Open/encrypted-repository-opensearch

To make it work, keys have to be created and stored in ./config/opensearch/certs/
openssl genrsa -out key.pem 2048 # Private key
openssl rsa -in key.pem -outform PEM -pubout -out public.pem # Public key

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ BASH	shellcheck	5		0	0.15s
⚠️ BASH	shfmt	5		1	0.0s
✅ COPYPASTE	jscpd	yes		no	1.24s
✅ DOCKERFILE	hadolint	2		0	0.13s
✅ JSON	jsonlint	4		0	0.18s
⚠️ JSON	prettier	4		1	1.23s
✅ JSON	v8r	4		0	2.14s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	grype	yes		no	12.13s
✅ REPOSITORY	trivy	yes		no	7.23s
✅ REPOSITORY	trivy-sbom	yes		no	0.96s
✅ REPOSITORY	trufflehog	yes		no	3.85s
⚠️ YAML	prettier	19		1	0.96s
✅ YAML	v8r	19		0	7.41s
⚠️ YAML	yamllint	19		8	0.53s

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