add warning if .Renviron detected during install of RPackage

[branfosj]

(created using eb --new-pr)

fixes #867

[boegel]

@boegelbot please test @ jsc-zen3
EB_BRANCH=5.0.x
EB_ARGS="Seurat-5.0.1-foss-2022b-R-4.2.2.eb sceasy-0.0.7-foss-2022a-R-4.2.1.eb rjags-4-13-foss-2022b-R-4.2.2.eb"

[boegelbot]

@boegel: Request for testing this PR well received on jsczen3l1.int.jsc-zen3.fz-juelich.de

PR test command 'if [[ "5.0.x" != 'develop' ]]; then EB_BRANCH="5.0.x" ./easybuild_develop.sh 2> /dev/null 1>&2; EB_PREFIX=/home/boegelbot/easybuild/"5.0.x" source init_env_easybuild_develop.sh; fi; EB_PR=3263 EB_ARGS="Seurat-5.0.1-foss-2022b-R-4.2.2.eb sceasy-0.0.7-foss-2022a-R-4.2.1.eb rjags-4-13-foss-2022b-R-4.2.2.eb" EB_REPO=easybuild-easyblocks EB_BRANCH="5.0.x" /opt/software/slurm/bin/sbatch --job-name test_PR_3263 --ntasks=8 ~/boegelbot/eb_from_pr_upload_jsc-zen3.sh' executed!

• exit code: 0
• output:

Submitted batch job 3923

Test results coming soon (I hope)...

- notification for comment with ID 2041058969 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

Overview of tested easyconfigs (in order)

• SUCCESS Seurat-5.0.1-foss-2022b-R-4.2.2.eb
• SUCCESS sceasy-0.0.7-foss-2022a-R-4.2.1.eb
• SUCCESS JAGS-4.3.2-foss-2022b.eb
• SUCCESS rjags-4-13-foss-2022b-R-4.2.2.eb

Build succeeded for 4 out of 4 (3 easyconfigs in total)
jsczen3c1.int.jsc-zen3.fz-juelich.de - Linux Rocky Linux 9.3, x86_64, AMD EPYC-Milan Processor (zen3), Python 3.9.18
See https://gist.github.com/boegelbot/262803a19cef51bbdd0ce867ccdae6b5 for a full test report.

[boegel]

lgtm