singularity in2p3: fix symlink

src/.singularity_in2p3/lbmc-deeptools-3.0.2.img

src/.singularity_in2p3/lbmc-deeptools-3.0.2.img**

src/.singularity_in2p3/lbmc-deeptools-3.1.1.img

src/.singularity_in2p3/lbmc-deeptools-3.1.1.img**

src/.singularity_in2p3/lbmc-fastp-0.19.7.img

src/.singularity_in2p3/lbmc-fastp-0.19.7.img**

src/.singularity_in2p3/lbmc-fastqc-0.11.5.img

src/.singularity_in2p3/lbmc-fastqc-0.11.5.img**

src/.singularity_in2p3/lbmc-file_handle-0.1.1.img

src/.singularity_in2p3/lbmc-file_handle-0.1.1.img**

src/.singularity_in2p3/lbmc-gatk-4.0.8.1.img

src/.singularity_in2p3/lbmc-gatk-4.0.8.1.img**

src/.singularity_in2p3/lbmc-hisat2-2.0.0.img

src/.singularity_in2p3/lbmc-hisat2-2.0.0.img**

src/.singularity_in2p3/lbmc-hisat2-2.1.0.img

src/.singularity_in2p3/lbmc-hisat2-2.1.0.img**

src/.singularity_in2p3/lbmc-htseq-0.11.2.img

src/.singularity_in2p3/lbmc-htseq-0.11.2.img**

src/.singularity_in2p3/lbmc-htseq-0.8.0.img

src/.singularity_in2p3/lbmc-htseq-0.8.0.img**