Bump extern/Microphysics from a3bc246 to 24fc854 (#695)

Bumps [extern/Microphysics](https://github.com/psharda/Microphysics)
from `a3bc246` to `24fc854`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/psharda/Microphysics/commit/24fc8547090297bacdefe30f14bc2c37e53069f4"><code>24fc854</code></a>
include higher taylor terms for fast_atan (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1611">#1611</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/a5408bad445e49e4b8c0622843905a4c08b1ed6d"><code>a5408ba</code></a>
update self-consistent NSE SDC update with Tabular NSE (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1569">#1569</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/b413290def9550c8fac7035ec614f90f68c12ba4"><code>b413290</code></a>
remove some more Fortran comments (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1609">#1609</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/448132f96834e1958e5fe38a10f08610ec665981"><code>448132f</code></a>
remove test_nse and rename test_ase -&gt; test_nse_net (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1610">#1610</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/963ff00371ca38c271b82c96ccde9fbd17bb4952"><code>963ff00</code></a>
remove the old test_screening (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1608">#1608</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/d791e67c65f623e0ee05b7458f6e6fae19668704"><code>d791e67</code></a>
Remove strang nse (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1549">#1549</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/4142d4fbff132040a405d0bc3759b5c99099334c"><code>4142d4f</code></a>
Update rhoX for nse_solver for SDC and discard strang (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1607">#1607</a>)</li>
<li><a
href="https://github.com/psharda/Microphysics/commit/0b1a2310392f83adfee33c5a50da9fd90a2b5a7c"><code>0b1a231</code></a>
add NSE bailout to RKC (<a
href="https://redirect.github.com/psharda/Microphysics/issues/1544">#1544</a>)</li>
<li>See full diff in <a
href="https://github.com/psharda/Microphysics/compare/a3bc2465da68185084efc23383c55be90e426712...24fc8547090297bacdefe30f14bc2c37e53069f4">compare
view</a></li>
</ul>
</details>
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