Bump extern/amrex from 47347f7 to 95a92e2 (#621)

Bumps [extern/amrex](https://github.com/AMReX-Codes/amrex) from
`47347f7` to `95a92e2`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/95a92e2f82227a8a4a2144bac06813f4ca1632c9"><code>95a92e2</code></a>
cleanup of latest changes for 3D EB (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3912">#3912</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/ddf15b965da63bbd160d62a7b16d5bef2467c584"><code>ddf15b9</code></a>
3d anisotropic eb (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3907">#3907</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/d857968968ae2cdf18f39ee50df96529e326ff39"><code>d857968</code></a>
Fix compiler warnings in Parser (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3908">#3908</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/b029e4f335b09c2992b2e4017db277aa9c293781"><code>b029e4f</code></a>
Update for ROCm 6.1.0 (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3898">#3898</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/aba9891ec5edbf4c6fbd23fb072662c3bb33223e"><code>aba9891</code></a>
clarify comment about EnforcePeriodicity (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3903">#3903</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/b752027c1aebdfb4be339b1e30932b4108286a7a"><code>b752027</code></a>
fix a HIP/Frontier issue (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3902">#3902</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/2c9e432ddf8e2b02d0b4f4855ae93cbfe1f58611"><code>2c9e432</code></a>
Update HIP CIs for rocm 6.1.0 (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3897">#3897</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/64d2360b209c1e625bfc9a6feeb7501a618f7ed5"><code>64d2360</code></a>
Set AMD wavefront size according to AMReX_AMD_ARCH (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3881">#3881</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/96f6d669d1bb2622346663a2b7cb58624866fcc3"><code>96f6d66</code></a>
Fix offset in recv buffer of single precision particle communication (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3896">#3896</a>)</li>
<li><a
href="https://github.com/AMReX-Codes/amrex/commit/2780fa8147bd7e992e77a703db93fe36e7458362"><code>2780fa8</code></a>
Fix Assertion (<a
href="https://redirect.github.com/AMReX-Codes/amrex/issues/3894">#3894</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/AMReX-Codes/amrex/compare/47347f785f5c26f1f9e65bef8e10f2d383406ef7...95a92e2f82227a8a4a2144bac06813f4ca1632c9">compare
view</a></li>
</ul>
</details>
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