Update vendor

vendor/github.com/prometheus/procfs/proc_stat.go

@@ -81,10 +81,10 @@ type ProcStat struct {
 	STime uint
 	// Amount of time that this process's waited-for children have been
 	// scheduled in user mode, measured in clock ticks.
-	CUTime uint
+	CUTime int
 	// Amount of time that this process's waited-for children have been
 	// scheduled in kernel mode, measured in clock ticks.
-	CSTime uint
+	CSTime int
 	// For processes running a real-time scheduling policy, this is the negated
 	// scheduling priority, minus one.
 	Priority int
@@ -100,13 +100,22 @@ type ProcStat struct {
 	VSize uint
 	// Resident set size in pages.
 	RSS int
+	// Soft limit in bytes on the rss of the process.
+	RSSLimit uint64
+	// Real-time scheduling priority, a number in the range 1 to 99 for processes
+	// scheduled under a real-time policy, or 0, for non-real-time processes.
+	RTPriority uint
+	// Scheduling policy.
+	Policy uint
+	// Aggregated block I/O delays, measured in clock ticks (centiseconds).
+	DelayAcctBlkIOTicks uint64
 
 	proc fs.FS
 }
 
 // NewStat returns the current status information of the process.
 //
-// Deprecated: use p.Stat() instead
+// Deprecated: Use p.Stat() instead.
 func (p Proc) NewStat() (ProcStat, error) {
 	return p.Stat()
 }
@@ -119,7 +128,8 @@ func (p Proc) Stat() (ProcStat, error) {
 	}
 
 	var (
-		ignore int
+		ignoreInt64  int64
+		ignoreUint64 uint64
 
 		s = ProcStat{PID: p.PID, proc: p.fs}
 		l = bytes.Index(data, []byte("("))
@@ -131,6 +141,11 @@ func (p Proc) Stat() (ProcStat, error) {
 	}
 
 	s.Comm = string(data[l+1 : r])
+
+	// Check the following resources for the details about the particular stat
+	// fields and their data types:
+	// * https://man7.org/linux/man-pages/man5/proc.5.html
+	// * https://man7.org/linux/man-pages/man3/scanf.3.html
 	_, err = fmt.Fscan(
 		bytes.NewBuffer(data[r+2:]),
 		&s.State,
@@ -151,10 +166,28 @@ func (p Proc) Stat() (ProcStat, error) {
 		&s.Priority,
 		&s.Nice,
 		&s.NumThreads,
-		&ignore,
+		&ignoreInt64,
 		&s.Starttime,
 		&s.VSize,
 		&s.RSS,
+		&s.RSSLimit,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreUint64,
+		&ignoreInt64,
+		&ignoreInt64,
+		&s.RTPriority,
+		&s.Policy,
+		&s.DelayAcctBlkIOTicks,
 	)
 	if err != nil {
 		return ProcStat{}, err