Update imagequant requirement from ~=1.1.1 to ~=1.1.2

Updates the requirements on [imagequant](https://github.com/wanadev/imagequant-python) to permit the latest version.
- [Release notes](https://github.com/wanadev/imagequant-python/releases)
- [Changelog](https://github.com/wanadev/imagequant-python/blob/master/RELEASE.rst)
- [Commits](wanadev/imagequant-python@v1.1.1...v1.1.2)

---
updated-dependencies:
- dependency-name: imagequant
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -5,7 +5,7 @@ av~=13.1.0
 beautifulsoup4~=4.12.3
 rookiepy~=0.5.6
 httpx~=0.27.2
-imagequant~=1.1.1
+imagequant~=1.1.2
 memory-tempfile~=2.2.3
 mergedeep~=1.3.4
 mini-racer~=0.12.4