add missing pkgconf build dependency for XML-LibXML v2.0208

[fizwit]

(created using eb --new-pr)

fixes #18165

[smoors]

@fizwit can you give a bit more info?
also, i cannot find the issue, is the link correct?

[boegel]

similar to #18007

issue being referred to is #18165, which should be moved to easyconfigs repo (edit: done, see #18165 now)

[boegel]

@boegelbot please test @ generoso

[boegel]

Test report by @boegel
SUCCESS
Build succeeded for 1 out of 1 (1 easyconfigs in total)
node3143.skitty.os - Linux RHEL 8.6, x86_64, Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz (skylake_avx512), Python 3.6.8
See https://gist.github.com/boegel/7a2647d982110fe802c0283cb7e705e3 for a full test report.

[boegelbot]

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

PR test command 'EB_PR=18159 EB_ARGS= EB_CONTAINER= /opt/software/slurm/bin/sbatch --job-name test_PR_18159 --ntasks=4 ~/boegelbot/eb_from_pr_upload_generoso.sh' executed!

• exit code: 0
• output:

Submitted batch job 11052

Test results coming soon (I hope)...

Details

- notification for comment with ID 1600720777 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/boegelbot/5e50e9169675c8362131fb68690921a6 for a full test report.

[boegel]

@boegelbot please test @ jsc-zen2

[boegelbot]

@boegel: Request for testing this PR well received on jsczen2l1.int.jsc-zen2.easybuild-test.cluster

PR test command 'EB_PR=18159 EB_ARGS= /opt/software/slurm/bin/sbatch --mem-per-cpu=4000M --job-name test_PR_18159 --ntasks=8 ~/boegelbot/eb_from_pr_upload_jsc-zen2.sh' executed!

• exit code: 0
• output:

Submitted batch job 2828

Test results coming soon (I hope)...

Details

- notification for comment with ID 1600758252 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)
jsczen2c1.int.jsc-zen2.easybuild-test.cluster - Linux Rocky Linux 8.5, x86_64, AMD EPYC 7742 64-Core Processor (zen2), Python 3.6.8
See https://gist.github.com/boegelbot/72c4e56789b1f42cd4fc0711d4b6ba04 for a full test report.

[boegel]

lgtm

[boegel]

Going in, thanks @fizwit!