delta_1.6.1_add_ii_to_swmm_outfalls fehlt Endung sql

[sjib]

Describe the bug
delta_1.6.1_add_ii_to_swmm_outfalls file has no ending *.sql in filename
https://github.com/QGEP/datamodel/blob/master/delta/delta_1.6.1_add_ii_to_swmm_outfalls

@cymed Is that correct?

To Reproduce
Exact steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
delta_1.6.1_add_ii_to_swmm_outfalls should be considered in post-all - unclear if this happens without the ending sql

Screenshots / data
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Desktop (please complete the following information):

• QGEP datamodel version 1.6.2

Additional context
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[cymed]

The delta file is not strictly necessary, but as a .sql it works