feat: support subscribeMode field on pulsar

[ericsyh]

Description

Please explain the changes you've made

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: https://github.com/dapr/components-contrib/issues/3832

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• [x] Code compiles correctly
• [x] Created/updated tests
• [x] Extended the documentation with https://github.com/dapr/docs/pull/4663

[msfussell]

@ericsyh - Is there an issue number for this PR?

[ericsyh]

@ericsyh - Is there an issue number for this PR?

@msfussell sorry i missed the issue create before, just created a new issue of https://github.com/dapr/components-contrib/issues/3832 and linked on this PR.

[ericsyh]

@nelson-parente @mikeee Could you help review again? cc @yaron2 @JoshVanL help review

[mikeee]

Looks like a minor linter issue popped up if you could please address it :)

[ericsyh]

Looks like a minor linter issue popped up if you could please address it :)

@mikeee I just fixed the lint in the https://github.com/dapr/components-contrib/pull/3831/commits/14f449dad86a9116d847825a5f30ea31f0070960, now it should be fine.

[ericsyh]

@nelson-parente @msfussell PTAL the updated PR thx.

[nelson-parente]

@yaron2 I think this is good to merge

[ericsyh]

The lint and several comformance check fail in the merge-quege CI was not caused by my changes...

[ericsyh]

@yaron2 Hi Yaron, the merge queue was failed but it looks not caused by this PR, anything need change from this PR?

[/home/runner/work/components-contrib/components-contrib] ...
  common/authentication/aws/x509.go:162:14       staticcheck  SA1019: spiffecontext.From is deprecated: use FromX509 instead. From retrieves the x509 SVID source from the context. 
  common/authentication/aws/x509_test.go:120:10  staticcheck  SA1019: spiffecontext.With is deprecated: use WithX509 instead. With adds the x509 SVID source from the SPIFFE object to the context. 
  middleware/http/opa/middleware.go:32:2         staticcheck  SA1019: "github.com/open-policy-agent/opa/rego" is deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. For newer features and behaviours, such as defaulting to the Rego v1 syntax, use the corresponding components in the [github.com/open-policy-agent/opa/v1] package instead. See https://www.openpolicyagent.org/docs/latest/v0-compatibility/ for more information.