Release v2.2.0

[ChenYi015]

Purpose of this PR

Release v2.2.0.

Features

• Upgrade to Spark 3.5.5 (#2490 by @jacobsalway)
• Add timeZone to ScheduledSparkApplication (#2471 by @jacobsalway)
• Enable the override of MemoryLimit through webhook (#2478 by @danielrsfreitas)
• Add ShuffleTrackingEnabled to DynamicAllocation struct to allow disabling shuffle tracking (#2511 by @jbhalodia-slack)
• Define SparkApplicationSubmitter interface to allow customizing submitting mechanism (#2500 by @ChenYi015)
• Add support for using cert manager to generate webhook certificates (#2373 by @ChenYi015)

Bug Fixes

• fix: add webhook cert validity checking (#2489 by @teejaded)
• fix and add back unit tests (#2532 by @nabuskey)
• fix volcano tests (#2533 by @nabuskey)
• Add v2 to module path (#2515 by @ChenYi015)
• Spark metrics depends on Prometheus #2525 spark metrics in depends on prometheus (#2529 by @blcksrx)

Misc

• Add APRA AMCOS to adopters (#2485 by @shuch3ng)
• Bump github.com/stretchr/testify from 1.9.0 to 1.10.0 (#2488 by @dependabot[bot])
• Bump github.com/prometheus/client_golang from 1.20.5 to 1.21.1 (#2487 by @dependabot[bot])
• Bump sigs.k8s.io/controller-runtime from 0.20.1 to 0.20.4 (#2486 by @dependabot[bot])
• Deprecating sparkctl (#2484 by @vikas-saxena02)
• Changing image repo from docker.io to ghcr.io (#2483 by @vikas-saxena02)
• Upgrade Golang to 1.24.1 and golangci-lint to 1.64.8 (#2494 by @jacobsalway)
• Bump helm.sh/helm/v3 from 3.16.2 to 3.17.3 (#2503 by @dependabot[bot])
• Add changelog for v2.1.1 (#2504 by @ChenYi015)
• Remove sparkctl (#2466 by @ChenYi015)
• Bump github.com/spf13/viper from 1.19.0 to 1.20.1 (#2496 by @dependabot[bot])
• Bump golang.org/x/net from 0.37.0 to 0.38.0 (#2505 by @dependabot[bot])
• Remove clientset, informer and listers generated by code-generator (#2506 by @ChenYi015)
• Remove v1beta1 API (#2516 by @ChenYi015)
• add unit tests for driver and executor configs (#2521 by @nabuskey)
• Adding securityContext to spark examples (#2530 by @tarekabouzeid)
• Bump github.com/spf13/cobra from 1.8.1 to 1.9.1 (#2497 by @dependabot[bot])
• Bump golang.org/x/mod from 0.23.0 to 0.24.0 (#2495 by @dependabot[bot])
• Adding Manabu to the reviewers (#2522 by @vara-bonthu)
• Bump manusa/actions-setup-minikube from 2.13.1 to 2.14.0 (#2523 by @dependabot[bot])
• Bump k8s.io dependencies to v0.32.5 (#2540 by @ChenYi015)
• Pass the correct LDFLAGS when building the operator image (#2541 by @ChenYi015)

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