Bump sharp from 0.32.6 to 0.33.0

Bumps [sharp](https://github.com/lovell/sharp) from 0.32.6 to 0.33.0.
- [Release notes](https://github.com/lovell/sharp/releases)
- [Changelog](https://github.com/lovell/sharp/blob/main/docs/changelog.md)
- [Commits](lovell/sharp@v0.32.6...v0.33.0)

---
updated-dependencies:
- dependency-name: sharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -22,7 +22,7 @@
   },
   "optionalDependencies": {
     "canvas": "^2.11.2",
-    "sharp": "~0.32.3",
+    "sharp": "~0.33.0",
     "nightscout": "14.2.11"
   },
   "dependencies": {