chore(ci): migrate to GitTea actions

Makefile

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+# CONTAINER_RUNTIME
+CONTAINER_RUNTIME?=$(shell which podman)
+
+# HELM_IMAGE
+HELM_IMAGE_REGISTRY_HOST?=docker.io
+HELM_IMAGE_REPOSITORY?=volkerraschek/helm
+HELM_IMAGE_VERSION?=3.18.2 # renovate: datasource=docker registryUrl=https://docker.io depName=volkerraschek/helm
+HELM_IMAGE_FULLY_QUALIFIED=${HELM_IMAGE_REGISTRY_HOST}/${HELM_IMAGE_REPOSITORY}:${HELM_IMAGE_VERSION}
+
+# NODE_IMAGE
+NODE_IMAGE_REGISTRY_HOST?=docker.io
+NODE_IMAGE_REPOSITORY?=library/node
+NODE_IMAGE_VERSION?=24.1.0-alpine # renovate: datasource=docker registryUrl=https://docker.io depName=docker.io/library/node packageName=library/node
+NODE_IMAGE_FULLY_QUALIFIED=${NODE_IMAGE_REGISTRY_HOST}/${NODE_IMAGE_REPOSITORY}:${NODE_IMAGE_VERSION}
+
+# MISSING DOT
+# ==============================================================================
+missing-dot:
+	grep --perl-regexp '## @(param|skip).*[^.]$$' values.yaml
+
+# CONTAINER RUN - README
+# ==============================================================================
+PHONY+=container-run/readme
+container-run/readme: container-run/readme/link container-run/readme/lint container-run/readme/parameters
+
+container-run/readme/link:
+	${CONTAINER_RUNTIME} run \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+			${NODE_IMAGE_FULLY_QUALIFIED} \
+				npm install && npm run readme:link
+
+container-run/readme/lint:
+	${CONTAINER_RUNTIME} run \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+			${NODE_IMAGE_FULLY_QUALIFIED} \
+				npm install && npm run readme:lint
+
+container-run/readme/parameters:
+	${CONTAINER_RUNTIME} run \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+			${NODE_IMAGE_FULLY_QUALIFIED} \
+				npm install && npm run readme:parameters
+
+# CONTAINER RUN - HELM UNITTESTS
+# ==============================================================================
+PHONY+=container-run/helm-unittests
+container-run/helm-unittests:
+	${CONTAINER_RUNTIME} run \
+		--env HELM_REPO_PASSWORD=${CHART_SERVER_PASSWORD} \
+		--env HELM_REPO_USERNAME=${CHART_SERVER_USERNAME} \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+			${HELM_IMAGE_FULLY_QUALIFIED} \
+				unittest --strict --file 'unittests/**/*.yaml' ./
+
+# CONTAINER RUN - HELM UPDATE DEPENDENCIES
+# ==============================================================================
+PHONY+=container-run/helm-update-dependencies
+container-run/helm-update-dependencies:
+	${CONTAINER_RUNTIME} run \
+		--env HELM_REPO_PASSWORD=${CHART_SERVER_PASSWORD} \
+		--env HELM_REPO_USERNAME=${CHART_SERVER_USERNAME} \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+			${HELM_IMAGE_FULLY_QUALIFIED} \
+				dependency update
+
+# CONTAINER RUN - MARKDOWN-LINT
+# ==============================================================================
+PHONY+=container-run/helm-lint
+container-run/helm-lint:
+	${CONTAINER_RUNTIME} run \
+		--rm \
+		--volume $(shell pwd):$(shell pwd) \
+		--workdir $(shell pwd) \
+		${HELM_IMAGE_FULLY_QUALIFIED} \
+			lint --values values.yaml .
+
+# PHONY
+# ==============================================================================
+# Declare the contents of the PHONY variable as phony. We keep that information
+# in a variable so we can use it in if_changed.
+.PHONY: ${PHONY}