Adding jTAU1 and eTAU1 chains to low mu menu

Agnieszka Ewa Ogrodnikrequested to merge
asmaga/athena:24.0-addChainsToPpLowMu into 24.0

New chains added, to be used in low mu pp test run for HI.

Tagging @kciesla @lidiaz @gipezzul

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