Add support for Microsoft.Network/bastionHosts

[matthchr]

Fixes #2892

What this PR does / why we need it:

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• this PR contains documentation
• this PR contains tests

[super-harsh]

LGTM! just a minor comment for sample naming

[codecov-commenter]

Codecov Report

Merging #2913 (9ab164a) into main (cb6d078) will decrease coverage by 0.01%.
The diff coverage is 54.59%.

@@            Coverage Diff             @@
##             main    #2913      +/-   ##
==========================================
- Coverage   54.41%   54.40%   -0.01%     
==========================================
  Files        1248     1252       +4     
  Lines      547288   548290    +1002     
==========================================
+ Hits       297818   298315     +497     
- Misses     200682   201112     +430     
- Partials    48788    48863      +75     

Impacted Files	Coverage Δ
...etwork/v1api20220701/private_endpoint_types_gen.go	52.13% <ø> (ø)
...rk/v1api20220701/private_link_service_types_gen.go	59.39% <ø> (ø)
...v1api20220701storage/private_endpoint_types_gen.go	55.17% <ø> (ø)
...k/v1api20220701/bastion_host_spec_arm_types_gen.go	33.33% <33.33%> (ø)
...pi/network/v1api20220701/bastion_host_types_gen.go	54.30% <54.30%> (ø)
...ork/v1api20220701storage/bastion_host_types_gen.go	55.17% <55.17%> (ø)
...customizations/bastion_host_extension_types_gen.go	100.00% <100.00%> (ø)
...2/internal/controllers/controller_resources_gen.go	87.10% <100.00%> (+0.03%)	⬆️

... and 27 files with indirect coverage changes

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[matthchr]

/ok-to-test sha=0a2efdb