DEP: GWCS use main branch now (#10147)

Author: pllim

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "BayesicFitting>=3.2.2",
     "crds>=12.0.3",
     "drizzle>=2.1.1,<2.2.0",
-    "gwcs @ git+https://github.com/spacetelescope/gwcs.git@master",
+    "gwcs @ git+https://github.com/spacetelescope/gwcs.git@main",
     # "gwcs>=0.26.0",
     "numpy>=1.25",
     "photutils>=2.1.0",