fix source URL for PCRE2

[crubb]

(created using eb --new-pr)

[smoors]

@crubb it's not very useful to update the very old easyconfigs.

let's remove everything older than GCCcore/8.3.0?

edit: we can just run the test on the download without actually building, so should be ok

[smoors]

@boegelbot: please test @ generoso EB_ARGS="--force-download --stop fetch"

[boegelbot]

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

PR test command 'EB_PR=16987 EB_ARGS="--force-download --stop fetch" EB_CONTAINER= /opt/software/slurm/bin/sbatch --job-name test_PR_16987 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 9877

Test results coming soon (I hope)...

Details

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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 34 out of 34 (8 easyconfigs in total)
cns2 - 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/53776f3fb175778f5f6aab226fa6f889 for a full test report.

[smoors]

lgtm

[smoors]

Going in, thanks @crubb!