[v0.36.0] release prep: bump k8s/go deps, manifests, docs, and CI matrix

vendor/github.com/coreos/go-systemd/v22/daemon/sdnotify_other.go

@@ -0,0 +1,22 @@
+// Copyright 2025
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !unix
+
+package daemon
+
+// SdNotifyMonotonicUsec returns the empty string on unsupported platforms.
+func SdNotifyMonotonicUsec() string {
+	return ""
+}

vendor/github.com/coreos/go-systemd/v22/daemon/sdnotify_unix.go

@@ -0,0 +1,36 @@
+// Copyright 2025
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build unix
+
+package daemon
+
+import (
+	"strconv"
+
+	"golang.org/x/sys/unix"
+)
+
+// SdNotifyMonotonicUsec returns a MONOTONIC_USEC=... assignment for the current time
+// with a trailing newline included. This is typically used with [SdNotifyReloading].
+//
+// If the monotonic clock is not available on the system, the empty string is returned.
+func SdNotifyMonotonicUsec() string {
+	var ts unix.Timespec
+	if err := unix.ClockGettime(unix.CLOCK_MONOTONIC, &ts); err != nil {
+		// Monotonic clock is not available on this system.
+		return ""
+	}
+	return "MONOTONIC_USEC=" + strconv.FormatInt(ts.Nano()/1000, 10) + "\n"
+}

vendor/github.com/coreos/go-systemd/v22/daemon/watchdog.go

@@ -15,6 +15,7 @@
 package daemon
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"strconv"
@@ -51,10 +52,10 @@ func SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error) {
 	}
 	s, err := strconv.Atoi(wusec)
 	if err != nil {
-		return 0, fmt.Errorf("error converting WATCHDOG_USEC: %s", err)
+		return 0, fmt.Errorf("error converting WATCHDOG_USEC: %w", err)
 	}
 	if s <= 0 {
-		return 0, fmt.Errorf("error WATCHDOG_USEC must be a positive number")
+		return 0, errors.New("error WATCHDOG_USEC must be a positive number")
 	}
 	interval := time.Duration(s) * time.Microsecond
 
@@ -63,7 +64,7 @@ func SdWatchdogEnabled(unsetEnvironment bool) (time.Duration, error) {
 	}
 	p, err := strconv.Atoi(wpid)
 	if err != nil {
-		return 0, fmt.Errorf("error converting WATCHDOG_PID: %s", err)
+		return 0, fmt.Errorf("error converting WATCHDOG_PID: %w", err)
 	}
 	if os.Getpid() != p {
 		return 0, nil

vendor/github.com/coreos/go-systemd/v22/journal/journal.go

@@ -41,6 +41,6 @@ const (
 )
 
 // Print prints a message to the local systemd journal using Send().
-func Print(priority Priority, format string, a ...interface{}) error {
+func Print(priority Priority, format string, a ...any) error {
 	return Send(fmt.Sprintf(format, a...), priority, nil)
 }

vendor/github.com/coreos/go-systemd/v22/journal/journal_unix.go

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 //go:build !windows
-// +build !windows
 
 // Package journal provides write bindings to the local systemd journal.
 // It is implemented in pure Go and connects to the journal directly over its
@@ -31,7 +30,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"strconv"
@@ -108,7 +106,7 @@ func fdIsJournalStream(fd int) (bool, error) {
 	var expectedStat syscall.Stat_t
 	_, err := fmt.Sscanf(journalStream, "%d:%d", &expectedStat.Dev, &expectedStat.Ino)
 	if err != nil {
-		return false, fmt.Errorf("failed to parse JOURNAL_STREAM=%q: %v", journalStream, err)
+		return false, fmt.Errorf("failed to parse JOURNAL_STREAM=%q: %w", journalStream, err)
 	}
 
 	var stat syscall.Stat_t
@@ -194,7 +192,7 @@ func appendVariable(w io.Writer, name, value string) {
 		 * - the data, followed by a newline
 		 */
 		fmt.Fprintln(w, name)
-		binary.Write(w, binary.LittleEndian, uint64(len(value)))
+		_ = binary.Write(w, binary.LittleEndian, uint64(len(value)))
 		fmt.Fprintln(w, value)
 	} else {
 		/* just write the variable and value all on one line */
@@ -214,7 +212,7 @@ func validVarName(name string) error {
 	}
 
 	for _, c := range name {
-		if !(('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_') {
+		if ('A' > c || c > 'Z') && ('0' > c || c > '9') && c != '_' {
 			return errors.New("Variable name contains invalid characters")
 		}
 	}
@@ -239,7 +237,7 @@ func isSocketSpaceError(err error) bool {
 
 // tempFd creates a temporary, unlinked file under `/dev/shm`.
 func tempFd() (*os.File, error) {
-	file, err := ioutil.TempFile("/dev/shm/", "journal.XXXXX")
+	file, err := os.CreateTemp("/dev/shm/", "journal.XXXXX")
 	if err != nil {
 		return nil, err
 	}