revert to gcc-13 for linux-glibc-debian-testing-gcc · curl/curl-for-win@dfa7da8

Name	Size
curl-linux-glibc-debian-bookworm-gcc Expired	10.5 MB
curl-linux-glibc-debian-bookworm-llvm Expired	9.63 MB
curl-linux-glibc-debian-sid-gcc-riscv64 Expired	6.77 MB
curl-linux-glibc-debian-sid-llvm-riscv64 Expired	7.05 MB
curl-linux-glibc-debian-testing-gcc Expired	10.5 MB
curl-linux-glibc-debian-testing-llvm Expired	9.64 MB
curl-linux-musl-alpine-gcc-x86_64 Expired	5.56 MB
curl-linux-musl-alpine-llvm-x86_64 Expired	4.93 MB
curl-linux-musl-debian-bookworm-gcc Expired	10.7 MB
curl-linux-musl-debian-bookworm-llvm Expired	9.78 MB
curl-linux-musl-debian-sid-gcc-riscv64 Expired	6.86 MB
curl-linux-musl-debian-sid-llvm-riscv64 Expired	7.23 MB
curl-linux-musl-debian-testing-gcc Expired	5.49 MB
curl-linux-musl-debian-testing-llvm Expired	9.78 MB
curl-linux-musl-from-mac Expired	10.6 MB
curl-macos-universal-clang Expired	6.79 MB
curl-macos-universal-llvm Expired	6.82 MB
curl-windows-gcc-noarm64 Expired	24.9 MB
curl-windows-llvm Expired	37.1 MB
curl-windows-llvm-from-mac Expired	37.2 MB

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