bump lightning and catalyst to release versions (#7869)

ℹ️ CI will fail until they are available on the PyPI.

**Context:**

This bumps the versions of lightning and catalyst to the new release
versions.

Lightning is up,
- https://pypi.org/project/pennylane-lightning/0.42.0/
- https://pypi.org/project/pennylane-lightning-tensor/0.42.0/
- https://pypi.org/project/pennylane-lightning-kokkos/0.42.0/
- https://pypi.org/project/pennylane-lightning-gpu/0.42.0/

Catalyst is up,
- https://pypi.org/project/pennylane-catalyst/0.12.0/

Author: andrijapau

.github/stable/external.txt

@@ -146,9 +146,9 @@ parso==0.8.4
 pathspec==0.12.1
 pbr==6.1.1
 PennyLane-qiskit @ git+https://github.com/PennyLaneAI/pennylane-qiskit.git@2da462b48a09b4796f5724edf2da8d3c6c0c55cd
-pennylane_catalyst==0.12.0.dev71
-PennyLane_Lightning==0.42.0.dev16
-PennyLane_Lightning_Kokkos==0.42.0.dev16
+pennylane_catalyst==0.12.0
+PennyLane_Lightning==0.42.0
+PennyLane_Lightning_Kokkos==0.42.0
 pexpect==4.9.0
 pillow==11.3.0
 platformdirs==4.3.8

pennylane/compiler/compiler.py

@@ -23,7 +23,7 @@
 
 from packaging.version import Version
 
-PL_CATALYST_MIN_VERSION = Version("0.11.0")
+PL_CATALYST_MIN_VERSION = Version("0.12.0")
 
 
 class CompileError(Exception):

pyproject.toml

@@ -17,7 +17,7 @@ dependencies = [
     "appdirs",
     "autoray>=0.6.11",
     "cachetools",
-    "pennylane-lightning>=0.41",
+    "pennylane-lightning>=0.42",
     "requests",
     "tomlkit",
     "typing_extensions",