Adjust Dockerfile LABELs to tag images properly (#34)

Author: patchkez

docker/Dockerfile.ubi9

@@ -16,7 +16,7 @@ LABEL org.opencontainers.image.title="Playwright with VNC (UBI9)" \
       org.opencontainers.image.version="${VERSION}" \
       org.opencontainers.image.created="${BUILD_DATE}" \
       playwright.version="${PLAYWRIGHT_VERSION}" \
-      konflux.additional-tags="${PLAYWRIGHT_VERSION} ${PLAYWRIGHT_MINOR_VERSION}"
+      playwright.minor-version="${PLAYWRIGHT_MINOR_VERSION}"
 ENV PW_VERSION=${PLAYWRIGHT_VERSION} \
     PW_PORT=3000 \
     PW_BROWSER="chromium" \