add patch for GCCcore 11.3.0 to support using -fuse-ld=mold

[bartoldeman]

(created using eb --new-pr)

[boegel]

@boegelbot please test @ generoso

[boegelbot]

@boegel: Request for testing this PR well received on login1

PR test command 'EB_PR=15715 EB_ARGS= /opt/software/slurm/bin/sbatch --job-name test_PR_15715 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 8746

Test results coming soon (I hope)...

- notification for comment with ID 1162253446 processed

Message to humans: this is just bookkeeping information for me,
it is of no use to you (unless you think I have a bug, which I don't).

[boegelbot]

Test report by @boegelbot
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in total)
cns1 - Linux Rocky Linux 8.5, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/846dd8f22a94a74d784c8cc9bb811e6b for a full test report.

[boegel]

lgtm

[boegel]

Going in, thanks @bartoldeman!