Update gdsfactory requirement from ~=7.26.1 to >=7.26.1,<8.2.0

Updates the requirements on [gdsfactory](https://github.com/gdsfactory/gdsfactory) to permit the latest version.
- [Release notes](https://github.com/gdsfactory/gdsfactory/releases)
- [Changelog](https://github.com/gdsfactory/gdsfactory/blob/main/CHANGELOG.md)
- [Commits](gdsfactory/gdsfactory@v7.26.1...v8.1.0)

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

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

pyproject.toml

@@ -15,7 +15,7 @@ classifiers = [
   "Operating System :: OS Independent"
 ]
 dependencies = [
-  "gdsfactory~=7.26.1",
+  "gdsfactory>=7.26.1,<8.2.0",
   "gplugins[tidy3d,sax,schematic]>=0.13,<0.14"
 ]
 description = "ubcpdk pdk"