go.mod: update golang.org/x dependencies

Update golang.org/x dependencies to their latest tagged versions.

Change-Id: I2b01858489f549d13f8274173247152bd9067849
Reviewed-on: https://go-review.googlesource.com/c/term/+/728003
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

go.mod

@@ -2,4 +2,4 @@ module golang.org/x/term
 
 go 1.24.0
 
-require golang.org/x/sys v0.37.0
+require golang.org/x/sys v0.39.0

go.sum

@@ -1,2 +1,2 @@
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=

terminal.go

@@ -413,7 +413,7 @@ func (t *Terminal) eraseNPreviousChars(n int) {
 	}
 }
 
-// countToLeftWord returns then number of characters from the cursor to the
+// countToLeftWord returns the number of characters from the cursor to the
 // start of the previous word.
 func (t *Terminal) countToLeftWord() int {
 	if t.pos == 0 {
@@ -438,7 +438,7 @@ func (t *Terminal) countToLeftWord() int {
 	return t.pos - pos
 }
 
-// countToRightWord returns then number of characters from the cursor to the
+// countToRightWord returns the number of characters from the cursor to the
 // start of the next word.
 func (t *Terminal) countToRightWord() int {
 	pos := t.pos
@@ -478,7 +478,7 @@ func visualLength(runes []rune) int {
 	return length
 }
 
-// histroryAt unlocks the terminal and relocks it while calling History.At.
+// historyAt unlocks the terminal and relocks it while calling History.At.
 func (t *Terminal) historyAt(idx int) (string, bool) {
 	t.lock.Unlock()     // Unlock to avoid deadlock if History methods use the output writer.
 	defer t.lock.Lock() // panic in At (or Len) protection.