Bump the python-dependencies group across 1 directory with 2 updates

Bumps the python-dependencies group with 2 updates in the / directory: [plotnine](https://github.com/has2k1/plotnine) and [boto3](https://github.com/boto/boto3).


Updates `plotnine` from 0.15.3 to 0.15.7
- [Release notes](https://github.com/has2k1/plotnine/releases)
- [Changelog](https://github.com/has2k1/plotnine/blob/v0.15.7/doc/changelog.qmd)
- [Commits](has2k1/plotnine@v0.15.3...v0.15.7)

Updates `boto3` from 1.43.63 to 1.43.67
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.43.63...1.43.67)

---
updated-dependencies:
- dependency-name: plotnine
  dependency-version: 0.15.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
- dependency-name: boto3
  dependency-version: 1.43.67
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     # Plotting libraries
     "matplotlib>=3.7",
     "seaborn>=0.13",
-    "plotnine>=0.13",
+    "plotnine>=0.15.7",
     "lets-plot>=4.11",
     "plotly>=5.24",
     "altair>=5.0",
@@ -47,7 +47,7 @@ dependencies = [
     "simplegeneric>=0.8",
 
     # Cloud (if needed for deployment)
-    "boto3>=1.28",
+    "boto3>=1.43.67",
 
     # Testing
     "pytest>=7.4",