build(deps): Bump actions/checkout from 6 to 7 - #89

Process completed with exit code 1.

buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c apk add --no-cache --virtual=.build-dependencies apache-arrow-dev build-base clang19-dev cmake gettext-dev linux-headers llvm19 lz4-dev meson msgpack-c-dev rapidjson-dev ruby samurai xsimd-dev xxhash-dev zlib-dev zstd-dev && /build.sh ${PGROONGA_VERSION} ${GROONGA_VERSION} && rm -f build.sh && apk del .build-dependencies && apk add --no-cache libarrow libgomp libxxhash msgpack-c zlib zstd" did not complete successfully: exit code: 3

Failed to save: Unable to reserve cache with key docker.io--tonistiigi--binfmt-latest-linux-x64, another job may be creating this cache.