Added linux gitea runners

ansible/files/dockerfiles/Dockerfile.security-scan

@@ -0,0 +1,25 @@
+FROM local/gitea-runner-base:latest
+
+# security-scan runner profile: image and dependency scanning tooling.
+USER root
+RUN apk add --no-cache \
+	bash \
+	ca-certificates \
+	curl \
+	git \
+	jq \
+	make \
+	openssh-client \
+	python3 \
+	py3-pip \
+	rsync \
+	unzip \
+	yq \
+	zip
+
+ARG TRIVY_VERSION=0.72.0
+RUN curl -fsSL -o /tmp/trivy.tar.gz \
+	"https://github.com/aquasecurity/trivy/releases/download/v${TRIVY_VERSION}/trivy_${TRIVY_VERSION}_Linux-64bit.tar.gz" && \
+	tar -xzf /tmp/trivy.tar.gz -C /tmp && \
+	install -m 0755 /tmp/trivy /usr/local/bin/trivy && \
+	rm -f /tmp/trivy.tar.gz /tmp/trivy