Add heroku/builder:26 as a trusted builder

Signed-off-by: Rune Soerensen <rsoerensen@salesforce.com>

Author: runesoerensen

internal/builder/trusted_builder.go

@@ -22,6 +22,13 @@ var KnownBuilders = []KnownBuilder{
 		Suggested:          true,
 		Trusted:            true,
 	},
+	{
+		Vendor:             "Heroku",
+		Image:              "heroku/builder:26",
+		DefaultDescription: "Ubuntu 26.04 AMD64+ARM64 base image with buildpacks for .NET, Go, Java, Node.js, Python & Scala",
+		Suggested:          false,
+		Trusted:            true,
+	},
 	{
 		Vendor:             "Heroku",
 		Image:              "heroku/builder:24",

internal/commands/config_trusted_builder_test.go

@@ -60,6 +60,7 @@ func testTrustedBuilderCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",
@@ -75,6 +76,7 @@ func testTrustedBuilderCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",
@@ -97,6 +99,7 @@ func testTrustedBuilderCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",
@@ -115,6 +118,7 @@ func testTrustedBuilderCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",

internal/commands/list_trusted_builders_test.go

@@ -68,6 +68,7 @@ func testListTrustedBuildersCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",
@@ -91,6 +92,7 @@ func testListTrustedBuildersCommand(t *testing.T, when spec.G, it spec.S) {
 				"heroku/builder:20",
 				"heroku/builder:22",
 				"heroku/builder:24",
+				"heroku/builder:26",
 				"paketobuildpacks/builder-jammy-base",
 				"paketobuildpacks/builder-jammy-full",
 				"paketobuildpacks/builder-jammy-tiny",