Clean up a few types

Convert lines when `parse=False` from generator to list. The result when `parse=False` is only used in a warning message, and I don't think the generator would even print properly.

Clean up a few types
e3a05bba · Ben Mares · Michael Osthege · bbeb7588 · e3a05bba
--- a/pytensor/link/c/cmodule.py
+++ b/pytensor/link/c/cmodule.py
@@ -2120,10 +2120,10 @@ class GCC_compiler(Compiler):
            if p.returncode != 0:
                return None
-            lines = BytesIO(stdout + stderr).readlines()
+            lines_bytes = BytesIO(stdout + stderr).readlines()
-            lines = (l.decode() for l in lines)
+            lines = [l.decode() for l in lines_bytes]
            if parse:
-                selected_lines = []
+                selected_lines: list[str] = []
                for line in lines:
                    if (
                        "COLLECT_GCC_OPTIONS=" in line