Bump spark-core from 2.7.1 to 2.7.2 in /deer-cli#40

dependabot[bot] wants to merge 1 commit intomasterdice-group/deer:masterfrom

dependabot/maven/deer-cli/com.sparkjava-spark-core-2.7.2dice-group/deer:dependabot/maven/deer-cli/com.sparkjava-spark-core-2.7.2Copy head branch name to clipboard