Fix l2-resource-secret

[lunaris]

The l2-resource-secret test currently fails, possibly due to an issue generating secret-handling SDKs for nested values, or something else.

=== NAME  TestLanguage/l2-resource-secret
    language_test.go:146: l2_resource_secret.go:36: 
                Error Trace:    /home/will/git/pulumi/pulumi-java-main/pulumi/cmd/pulumi-test-language/tests/assert.go:35
                                                        /home/will/git/pulumi/pulumi-java-main/pulumi/cmd/pulumi-test-language/tests/assert.go:44
                                                        /home/will/git/pulumi/pulumi-java-main/pulumi/cmd/pulumi-test-language/tests/l2_resource_secret.go:36
                                                        /home/will/git/pulumi/pulumi-java-main/pulumi/cmd/pulumi-test-language/interface.go:1098
                                                        /home/will/git/pulumi/pulumi-java-main/pulumi/cmd/pulumi-test-language/tests/types.go:182
                                                        /nix/store/chzgk756zb2cqlzbjr86m0lfxi63cdfy-go-1.22.7/share/go/src/runtime/asm_amd64.s:1695
                Error:          Expected nil, but got: &result.bailError{err:(*result.bailError)(0xc00026b9d0)}
                Messages:       expected no error, got BAIL: BAIL: resource urn:pulumi:test::l2-resource-secret::secret:index:Resource::res is invalid
        
    language_test.go:148: stdout: Created stack 'test'
        
         +  pulumi:pulumi:Stack l2-resource-secret-test creating (0s) 
            secret:index:Resource res  error: secret:index:Resource resource 'res': property privateData value {map[private:{closed} public:{open}]} has a problem: value is not a secret object
         +  pulumi:pulumi:Stack l2-resource-secret-test created (0.06s) 
            secret:index:Resource res **failed** 1 error
        Diagnostics:
          secret:index:Resource (res):
            error: secret:index:Resource resource 'res': property privateData value {map[private:{closed} public:{open}]} has a problem: value is not a secret object
        
        Resources:
            + 1 created
        
        Duration: 2s
        
    language_test.go:149: stderr: 
    language_test.go:150: 
                Error Trace:    /home/will/git/pulumi/pulumi-java-main/pkg/cmd/pulumi-language-java/language_test.go:150
                Error:          Should be true
                Test:           TestLanguage/l2-resource-secret
^Csignal: interrupt
FAIL    github.com/pulumi/pulumi-java/pkg/cmd/pulumi-language-java      68.255s