muster release v5.37.1

(deps) Update module github.com/giantswarm/selfupdate-cosign to v0.3.2 in #1375 by @renovate[bot]
(deps) Update module sigs.k8s.io/controller-runtime to v0.25.2 in #1378 by @renovate[bot]
(nancy) Remediate findings on main in #1371 by @heraldbot[bot]
(deps) Update module github.com/giantswarm/apptest-framework/v5 to v5.3.2 in #1374 by @renovate[bot]
(metatools) Answer the sign-in for a signed-out server’s tool a toolset may select in #1367 by @QuentinBisson
(toolset) Check a family tool call against the member it runs on in #1407 by @QuentinBisson
(testing) Serve scenarios with muster test’s own executable in #1408 by @teemow
(deps) Build with the giantswarm/mcp-go line for notification fixes in #1410 by @teemow

Full Changelog: https://github.com/giantswarm/muster/compare/v5.37.0...v5.37.1