Fix remaining flake8 references

.azure-pipelines/lint-validation.py

@@ -5,7 +5,7 @@
 
 failures = 0
 try:
-    flake8 = subprocess.run(
+    process = subprocess.run(
         [
             "ruff",
             "check",
@@ -18,14 +18,14 @@
     )
 except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as e:
     print(
-        "##vso[task.logissue type=error;]flake8 validation failed with",
+        "##vso[task.logissue type=error;]Ruff validation failed with",
         str(e.__class__.__name__),
     )
     print(e.stdout)
     print(e.stderr)
-    print("##vso[task.complete result=Failed;]flake8 validation failed")
+    print("##vso[task.complete result=Failed;]Ruff validation failed")
     exit()
-for line in flake8.stdout.split("\n"):
+for line in process.stdout.split("\n"):
     if ":" not in line:
         continue
     filename, lineno, column, error = line.split(":", maxsplit=3)
@@ -38,5 +38,5 @@
     )
 
 if failures:
-    print(f"##vso[task.logissue type=warning]Found {failures} flake8 violation(s)")
-    print(f"##vso[task.complete result=Failed;]Found {failures} flake8 violation(s)")
+    print(f"##vso[task.logissue type=warning]Found {failures} Ruff violation(s)")
+    print(f"##vso[task.complete result=Failed;]Found {failures} Ruff violation(s)")