Bump pangeo/base-image from 2023.09.19 to 2023.09.25 in /.devcontainer (#217)

dependabot[bot] · web-flow · commit 6397e14b6deb · 2023-09-26T10:27:43.000-07:00
Co-authored-by: dependabot[bot] &lt;49699333+dependabot[bot]@users.noreply.github.com&gt;
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -1 +1 @@
-FROM pangeo/base-image:2023.09.19
+FROM pangeo/base-image:2023.09.25
