chore(deps): update dependency ruby to v3.4.9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ruby (source)		minor	3.3.10 → 3.4.9
ruby (source)		minor	3.3 → 3.4.9
ruby	final	minor	3.3.10-alpine3.23 → 3.4.9-alpine3.23
ruby	stage	minor	3.3.10-alpine3.23 → 3.4.9-alpine3.23

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[YOU54F]

fails on

pact-broker-1  | 2025-02-13 13:30:24 +0000 Rack app ("GET /diagnostic/status/heartbeat" - (172.18.0.4)): #<LoadError: cannot load such file -- mutex_m>

mutex_m and csv are gems that have been moved out of ruby std gems in 3.4. They must be required in a dependency, but they don't appear to have been updated (I haven't identified which yet), but we can resolve by explicitly adding to our our Gemfile/Gemspec