fix(deps): update dependency @actions/core to v3

[mailerlite-renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@actions/core (source)	^1.2.7 → ^3.0.0

---

Release Notes

actions/toolkit (@​actions/core)

v3.0.0

• Breaking change: Package is now ESM-only
  • CommonJS consumers must use dynamic import() instead of require()

v2.0.3

• Bump @actions/http-client to 3.0.2

v2.0.1

• Bump @​actions/exec from 1.1.1 to 2.0.0 #​2199

v2.0.0

• Add support for Node 24 #​2110
• Bump @​actions/http-client from 2.0.1 to 3.0.0

v1.11.1

• Fix uses of crypto.randomUUID on Node 18 and earlier #​1842

1.11.0

• Add platform info utilities #​1551
• Remove dependency on uuid package #​1824

1.10.1

• Fix error message reference in oidc utils #​1511

1.10.0

• saveState and setOutput now use environment files if available #​1178
• getMultilineInput now correctly trims whitespace by default #​1185

1.9.1

• Randomize delimiter when calling core.exportVariable

1.9.0

• Added toPosixPath, toWin32Path and toPlatformPath utilities #​1102

1.8.2

• Update to v2.0.1 of @actions/http-client #​1087

1.8.1

• Update to v2.0.0 of @actions/http-client

1.8.0

• Deprecate markdownSummary extension export in favor of summary
  • #​1072
  • #​1073

1.7.0

• Added markdownSummary extension

1.6.0

• Added OIDC Client function getIDToken
• Added file parameter to AnnotationProperties

1.5.0

• Added support for notice annotations and more annotation fields

1.4.0

• Added the getMultilineInput function

1.3.0

• Added the trimWhitespace option to getInput
• Added the getBooleanInput function

1.2.7

• Prepend newline for set-output

1.2.6

• Update exportVariable and addPath to use environment files

1.2.5

• Correctly bundle License File with package

1.2.4

• Be more lenient in accepting non-string command inputs
• Add Echo commands

1.2.3

• IsDebug logging

1.2.2

• Fix escaping for runner commands

1.2.1

• Remove trailing comma from commands
• Add "types" to package.json

1.2.0

• saveState and getState functions for wrapper tasks (on finally entry points that run post job)

1.1.3

• setSecret added to register a secret with the runner to be masked from the logs
• exportSecret which was not implemented and never worked was removed after clarification from product.

1.1.1

• Add support for action input variables with multiple spaces #​127
• Switched ## commands to :: commands (should have no noticeable impact) [#​110)(#​110)

1.1.0

• Added helpers for group and endgroup #​98

1.0.0

• Initial release

v1.11.0

• Add platform info utilities #​1551
• Remove dependency on uuid package #​1824

---

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 becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

This PR has been generated by Renovate Bot.