Conformance test failure l1-builtin-try and can

[brandonpollack23]

    --- FAIL: TestLanguage/l1-builtin-try (0.00s)
        language_test.go:229: generate project: main.pp:8,11-14: unknown function 'try'; , and 3 other diagnostic(s)
        language_test.go:231: stdout:
        language_test.go:232: stderr:
        language_test.go:233:
                Error Trace:    /Users/brpol/src/pulumi/pulumi-yaml/cmd/pulumi-language-yaml/language_test.go:233
                Error:          Should be true
                Test:           TestLanguage/l1-builtin-try

    --- FAIL: TestLanguage/l1-builtin-can (0.00s)
        language_test.go:229: generate project: main.pp:12,11-14: unknown function 'can'; , and 2 other diagnostic(s)
        language_test.go:231: stdout:
        language_test.go:232: stderr:
        language_test.go:233:
                Error Trace:    /Users/brpol/src/pulumi/pulumi-yaml/cmd/pulumi-language-yaml/language_test.go:233
                Error:          Should be true
                Test:           TestLanguage/l1-builtin-can