[Snyk] Security upgrade alpine from 3.21.2 to 3.21.3#152

mefellows wants to merge 1 commit intomasterpact-foundation/pact-docker-cli:masterfrom

snyk-fix-58965c40d6b7894d5d8b075322af2d83pact-foundation/pact-docker-cli:snyk-fix-58965c40d6b7894d5d8b075322af2d83Copy head branch name to clipboard