irdata v0.6.6 - go1.24 + cache cleanup

• bump the go version to 1.24.4
• handle expiration race in cache merging by retrying

What's Changed

• cache: handle merge expired key issues on close by @popmonkey in #16
• Go 1.24 by @popmonkey in #15
• go 1.24.12 by @popmonkey in #17
• go 1.24.13 by @popmonkey in #18
• refactor github actions + dependabot by @popmonkey in #19
• specify go.mod version of go by @popmonkey in #23

Full Changelog: v0.6.5...v0.6.6