release-1.21: Bump Envoy to 1.22.1

[codecov[bot]]

Codecov Report

Merging #519 (900bf70) into release-1.21 (bc21bbc) will decrease coverage by 1.10%. The diff coverage is n/a.

:exclamation: Current head 900bf70 differs from pull request most recent head 456d719. Consider uploading reports for the commit 456d719 to get more accurate results

@@               Coverage Diff                @@
##           release-1.21     #519      +/-   ##
================================================
- Coverage         78.69%   77.58%   -1.11%     
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  Files                29       29              
  Lines              2168     2168              
================================================
- Hits               1706     1682      -24     
- Misses              332      349      +17     
- Partials            130      137       +7     

Impacted Files	Coverage Δ
internal/operator/config.go	100.00% <ø> (ø)
internal/status/status.go	48.64% <0.00%> (-16.22%)	:arrow_down:
internal/objects/configmap/configmap.go	70.88% <0.00%> (-3.80%)	:arrow_down:
internal/objects/service/service.go	84.82% <0.00%> (-2.68%)	:arrow_down:
internal/objects/job/job.go	76.92% <0.00%> (-2.57%)	:arrow_down:
internal/objects/deployment/deployment.go	91.98% <0.00%> (-1.27%)	:arrow_down:
internal/objects/daemonset/daemonset.go	93.21% <0.00%> (-1.08%)	:arrow_down:

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[sunjayBhatia]

codegen failure can be ignored, downloading newer CRDs than it should