Update clang-format and switch to Ruff for Python linting and formatting

see LHCb!4346 (merged)

Rich/RichFutureRecSys/examples/data/PMTs/RealTel40Format/MCLDstFiles.py

@@ -25,7 +25,7 @@ data = []
 for path in searchPaths:
     files = sorted(glob.glob(path + "*.ldst"))
     data += ["DATAFILE='" + file + "'" for file in files]
-print "Found", len(data), "data files"
+print("Found", len(data), "data files")
 
 # Batch options ?
 if "CONDOR_FILE_BATCH" in os.environ:
@@ -36,12 +36,12 @@ if "CONDOR_FILE_BATCH" in os.environ:
     lastFile = (batch + 1) * nfiles
     if firstFile <= len(data):
         if lastFile > len(data): lastFile = len(data)
-        print "Using restricted file range", firstFile, lastFile
+        print("Using restricted file range", firstFile, lastFile)
         data = data[firstFile:lastFile]
         for f in data:
-            print " ", f
+            print(" ", f)
     else:
-        print "WARNING: File range outside input data list"
+        print("WARNING: File range outside input data list")
         data = []
 
 IOHelper('ROOT').inputFiles(data, clear=True)