⬆️🐍 Update dependency nanobind to ~=2.12.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pyproject.toml

@@ -8,7 +8,7 @@
 
 [build-system]
 requires = [
-  "nanobind~=2.11.0",
+  "nanobind~=2.12.0",
   "scikit-build-core>=0.11.6",
   "setuptools-scm>=9.2.2",
   "mqt.core~=3.4.1",
@@ -361,7 +361,7 @@ mqt-qcec = { workspace = true }
 
 [dependency-groups]
 build = [
-  "nanobind~=2.11.0",
+  "nanobind~=2.12.0",
   "scikit-build-core>=0.11.6",
   "setuptools-scm>=9.2.2",
   "mqt.core~=3.4.1",