Bump Golang version to v1.19.8 and some other fixes

[blackpiglet]

Thank you for contributing to Velero!

Please add a summary of your change

• Bump Golang version to v1.19.8, and bump golint-ci correspondingly.
• Change distroless to the no-SSL version.
• Fix reported lint errors.
• Move the code-generator installation from the built image to the CRD update script.
• Update the generated CRD files.
• Bump golang.org/x/net version to v0.7.0.

Does your change fix a particular issue?

Fixes #(issue)

Please indicate you've done the following:

• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[codecov-commenter]

Codecov Report

Merging #6148 (c7f939d) into release-1.9 (87be70f) will increase coverage by 0.04%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##           release-1.9    #6148      +/-   ##
===============================================
+ Coverage        41.63%   41.67%   +0.04%     
===============================================
  Files              214      214              
  Lines            18605    18605              
===============================================
+ Hits              7746     7754       +8     
+ Misses           10275    10268       -7     
+ Partials           584      583       -1     

Impacted Files	Coverage Δ
pkg/builder/json_schema_props_builder.go	0.00% <ø> (ø)
pkg/cmd/server/server.go	6.48% <ø> (ø)
pkg/controller/backup_controller.go	56.18% <ø> (ø)
pkg/plugin/framework/item_snapshotter.go	0.00% <ø> (ø)
pkg/plugin/framework/item_snapshotter_server.go	0.00% <ø> (ø)
pkg/restic/repo_locker.go	0.00% <ø> (ø)
pkg/restore/change_pvc_node_selector.go	67.46% <ø> (ø)
pkg/restore/priority.go	95.00% <ø> (ø)
pkg/util/logging/format_flag.go	100.00% <ø> (ø)
pkg/util/logging/log_level_flag.go	56.00% <ø> (ø)

... and 1 file with indirect coverage changes

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