promote intel/2021.03 to intel/2021a

[boegel]

No description provided.

[boegel]

@boegelbot please test @ generoso
CORE_CNT=16

[boegelbot]

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

PR test command 'EB_PR=12976 EB_ARGS= /apps/slurm/default/bin/sbatch --job-name test_PR_12976 --ntasks="16" ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 17311

Test results coming soon (I hope)...

- notification for comment with ID 850205258 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 4 out of 4 (4 easyconfigs in total)
generoso-x-1 - Linux centos linux 8.2.2004, x86_64, Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz (haswell), Python 3.6.8
See https://gist.github.com/58eacb0fa619b748ce27c632c06df9c6 for a full test report.

[branfosj]

Test report by @branfosj
SUCCESS
Build succeeded for 4 out of 4 (4 easyconfigs in total)
bear-pg0211u03a.bear.cluster - Linux RHEL 8.3, x86_64, Intel(R) Xeon(R) Gold 6248 CPU @ 2.50GHz (cascadelake), Python 3.6.8
See https://gist.github.com/95176465ec08874fd2647f935d652aba for a full test report.

[branfosj]

lgtm

[branfosj]

Going in, thanks @boegel!