Update actions/checkout action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v3 → v6
actions/checkout	action	major	v4 → v6

---

Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

v5

Compare Source

v4

Compare Source

• url-helper.ts now leverages well-known environment variables by @​jww3 in #​1941
• Expand unit test coverage for isGhes by @​jww3 in #​1946

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Overview

Image reference	ghcr.io/gatewayd-io/gatewayd:8c81af2	gatewaydio/gatewayd:latest
- digest	dcc90acf7b03	ec55fbe558b3
- tag	8c81af2	latest
- provenance		a8e84d0
- vulnerabilities
- platform	linux/amd64	linux/amd64
- size	22 MB	19 MB (-2.9 MB)
- packages	149	144 (-5)
Base Image	alpine:3 also known as: • 3.23 • 3.23.3 • latest	alpine:3.21 also known as: • 3.21.6
- vulnerabilities

Packages and Vulnerabilities (66 package changes and 2 vulnerability changes)

• ➕ 23 packages added
• ➖ 24 packages removed
• ♾️ 19 packages changed
• 102 packages unchanged

• ❗ 2 vulnerabilities added

Changes for packages of type apk (19 changes)

	Package	Version ghcr.io/gatewayd-io/gatewayd:8c81af2	Version gatewaydio/gatewayd:latest
➖	alpine-base	3.23.3-r0
♾️	alpine-baselayout	3.7.1-r8	3.6.8-r1
♾️	alpine-baselayout-data	3.7.1-r8	3.6.8-r1
♾️	alpine-keys	2.6-r0	2.5-r0
♾️	alpine-release	3.23.3-r0	3.21.6-r0
♾️	apk-tools	3.0.3-r1	2.14.6-r3
♾️	busybox	1.37.0-r30	1.37.0-r14
♾️	busybox-binsh	1.37.0-r30	1.37.0-r14
➖	ca-certificates	20251003-r0
♾️	ca-certificates-bundle	20251003-r0	20250911-r0
➖	libapk	3.0.3-r1
♾️	libcrypto3	3.5.5-r0	3.3.6-r0
♾️	libssl3	3.5.5-r0	3.3.6-r0
♾️	musl	1.2.5-r21	1.2.5-r9
♾️	musl-utils	1.2.5-r21	1.2.5-r9
➖	openssl	3.5.5-r0
➖	pax-utils	1.3.8-r2
♾️	scanelf	1.3.8-r2	1.3.8-r1
♾️	ssl_client	1.37.0-r30	1.37.0-r14

Changes for packages of type golang (47 changes)

	Package	Version ghcr.io/gatewayd-io/gatewayd:8c81af2	Version gatewaydio/gatewayd:latest
➕	github.com/cenkalti/backoff/v5		5.0.3
➖	github.com/cenkalti/backoff/v5	5.0.3
➖	github.com/cespare/xxhash/v2	2.3.0
➕	github.com/cespare/xxhash/v2		2.3.0
➕	github.com/containerd/errdefs/pkg		0.3.0
➕	github.com/cpuguy83/go-md2man/v2		2.0.6
➖	github.com/cpuguy83/go-md2man/v2	2.0.6
♾️	github.com/envoyproxy/protoc-gen-validate	1.3.3	1.3.0
➕	github.com/flosch/pongo2/v6		6.0.0
➖	github.com/flosch/pongo2/v6	6.0.0
♾️	github.com/gatewayd-io/gatewayd	0.0.0-20260222201959-8c81af236993	0.11.0
➕	github.com/go-git/go-billy/v5		5.6.0
➖	github.com/go-git/go-billy/v5	5.6.0
➕	github.com/go-git/go-git/v5		5.13.0
➖	github.com/go-git/go-git/v5	5.13.0
➖	github.com/google/go-github/v68	68.0.0
➕	github.com/google/go-github/v68		68.0.0
➖	github.com/grpc-ecosystem/grpc-gateway/v2	2.28.0
➕	github.com/grpc-ecosystem/grpc-gateway/v2		2.27.8
♾️	github.com/hashicorp/go-msgpack	2.1.2	0.5.5
➕	github.com/hashicorp/go-msgpack/v2		2.1.2
➖	github.com/jackc/pgx/v5	5.8.0
➕	github.com/jackc/pgx/v5		5.8.0
➖	github.com/masterminds/semver/v3	3.4.0
➕	github.com/masterminds/semver/v3		3.4.0
➕	github.com/pganalyze/pg_query_go/v6		6.2.2
➖	github.com/pganalyze/pg_query_go/v6	6.2.2
➕	github.com/redis/go-redis/v9		9.18.0
➖	github.com/redis/go-redis/v9	9.18.0
➕	github.com/robfig/cron/v3		3.0.1
➖	github.com/robfig/cron/v3	3.0.1
➖	github.com/russross/blackfriday/v2	2.1.0
➕	github.com/russross/blackfriday/v2		2.1.0
➖	github.com/santhosh-tekuri/jsonschema/v5	5.3.1
➕	github.com/santhosh-tekuri/jsonschema/v5		5.3.1
♾️	github.com/spf13/afero	1.15.0	1.11.0
➖	github.com/wk8/go-ordered-map/v2	2.1.8
➕	github.com/wk8/go-ordered-map/v2		2.1.8
➕	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp		0.55.0
➖	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp	0.55.0
➕	go.opentelemetry.io/otel/exporters/otlp/otlptrace		1.40.0
➖	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc	1.40.0
➕	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc		1.40.0
➖	google.golang.org/genproto/googleapis/api	0.0.0-20260217215200-42d3e9bedb6d
➕	google.golang.org/genproto/googleapis/api		0.0.0-20260209200024-4cfbd4190f57
➕	google.golang.org/genproto/googleapis/rpc		0.0.0-20260209200024-4cfbd4190f57
♾️	stdlib	1.25.7	1.24.11
			Added vulnerabilities (2):