Panic when running `mass bundle build` from mass cli

[likelymichael]

Error I'm seeing:

❯ mass bundle build
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x2 addr=0x120 pc=0x10526c8e0]

goroutine 1 [running]:
github.com/massdriver-cloud/airlock/pkg/terraform.typeExprTokens(0x140017072e8?, 0xbc?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:69 +0x20
github.com/massdriver-cloud/airlock/pkg/terraform.convertArray(0x10?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:86 +0x24
github.com/massdriver-cloud/airlock/pkg/terraform.typeExprTokens(0x107007d80?, 0xf0?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:77 +0x54
github.com/massdriver-cloud/airlock/pkg/terraform.parseObject(0x1400041e2c8)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:145 +0x1a4
github.com/massdriver-cloud/airlock/pkg/terraform.convertObject(0x10?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:132 +0xa8
github.com/massdriver-cloud/airlock/pkg/terraform.typeExprTokens(0x1400041e008?, 0xd8?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:79 +0xb0
github.com/massdriver-cloud/airlock/pkg/terraform.parseObject(0x1400041e008)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:145 +0x1a4
github.com/massdriver-cloud/airlock/pkg/terraform.convertObject(0x8?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:132 +0xa8
github.com/massdriver-cloud/airlock/pkg/terraform.typeExprTokens(0x14000407b88?, 0x88?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:79 +0xb0
github.com/massdriver-cloud/airlock/pkg/terraform.parseObject(0x14000407b88)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:145 +0x1a4
github.com/massdriver-cloud/airlock/pkg/terraform.convertObject(0x14000407b88?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:132 +0xa8
github.com/massdriver-cloud/airlock/pkg/terraform.typeExprTokens(0x140004526f0?, 0x51?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:79 +0xb0
github.com/massdriver-cloud/airlock/pkg/terraform.createTopLevelVariableBlock({0x14000308ee6?, 0xcb7?}, 0x14000407b88, 0x1, 0x1400036e008?)
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:46 +0x80
github.com/massdriver-cloud/airlock/pkg/terraform.SchemaToTf({0x105d9f180?, 0x1400003a5a0?})
        github.com/massdriver-cloud/airlock@v0.0.4-0.20240802170524-1dbc0f1f3bd6/pkg/terraform/schematotf.go:31 +0x178
github.com/massdriver-cloud/mass/pkg/provisioners.(*OpentofuProvisioner).ExportMassdriverInputs(0x14001707c08?, {0x1400034062a, 0x3}, 0x140001af380)
        github.com/massdriver-cloud/mass/pkg/provisioners/opentofu.go:32 +0x118
github.com/massdriver-cloud/mass/pkg/commands.BuildBundle({0x105aa6be8, 0x1}, 0x140015c7180, 0xb528f18c00000000?)
        github.com/massdriver-cloud/mass/pkg/commands/build_bundle.go:25 +0x20c
github.com/massdriver-cloud/mass/cmd.runBundleBuild(0x140001c8f00?, {0x105691225?, 0x4?, 0x1056911fd?})
        github.com/massdriver-cloud/mass/cmd/bundle.go:256 +0x70
github.com/spf13/cobra.(*Command).execute(0x140001bd508, {0x107007d80, 0x0, 0x0})
        github.com/spf13/cobra@v1.8.1/command.go:985 +0x834
github.com/spf13/cobra.(*Command).ExecuteC(0x106fb6160)
        github.com/spf13/cobra@v1.8.1/command.go:1117 +0x344
github.com/spf13/cobra.(*Command).Execute(...)
        github.com/spf13/cobra@v1.8.1/command.go:1041
github.com/massdriver-cloud/mass/cmd.Execute()
        github.com/massdriver-cloud/mass/cmd/root.go:47 +0x228
main.main()
        github.com/massdriver-cloud/mass/main.go:6 +0x1c

I'm also seeing this error after upgrading Airlock version in Mass CLI to v0.0.5.