feat(config/os): add ubuntu 26.04 (#2524)

Author: MaineK00n

config/os.go

@@ -143,7 +143,7 @@ func GetEOL(family, release string) (eol EOL, found bool) {
 		// Not found
 		eol, found = map[string]EOL{}[major(release)]
 	case constant.Ubuntu:
-		// https://wiki.ubuntu.com/Releases
+		// https://ubuntu.com/about/release-cycle
 		eol, found = map[string]EOL{
 			"6.06":  {Ended: true},
 			"6.10":  {Ended: true},
@@ -219,6 +219,10 @@ func GetEOL(family, release string) (eol EOL, found bool) {
 			"25.10": {
 				StandardSupportUntil: time.Date(2026, 7, 31, 23, 59, 59, 0, time.UTC),
 			},
+			"26.04": {
+				StandardSupportUntil: time.Date(2031, 5, 31, 23, 59, 59, 0, time.UTC),
+				ExtendedSupportUntil: time.Date(2036, 4, 30, 23, 59, 59, 0, time.UTC),
+			},
 		}[release]
 	case constant.OpenSUSE:
 		// https://en.opensuse.org/Lifetime

config/os_test.go

@@ -443,6 +443,22 @@ func TestEOL_IsStandardSupportEnded(t *testing.T) {
 			stdEnded: false,
 			extEnded: false,
 		},
+		{
+			name:     "Ubuntu 26.04 supported",
+			fields:   fields{family: constant.Ubuntu, release: "26.04"},
+			now:      time.Date(2026, 4, 25, 23, 59, 59, 0, time.UTC),
+			found:    true,
+			stdEnded: false,
+			extEnded: false,
+		},
+		{
+			name:     "Ubuntu 26.04 ext supported",
+			fields:   fields{family: constant.Ubuntu, release: "26.04"},
+			now:      time.Date(2032, 1, 1, 0, 0, 0, 0, time.UTC),
+			found:    true,
+			stdEnded: true,
+			extEnded: false,
+		},
 		//Debian
 		{
 			name:     "Debian 8 supported",