chore(deps): update dependency go to v1.21.6 (#14)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [go](https://togithub.com/golang/go) | | patch | `1.21.5` -> `1.21.6`
|
| [go](https://go.dev/) ([source](https://togithub.com/golang/go)) |
golang | patch | `1.21.5` -> `1.21.6` |

---

### Release Notes

<details>
<summary>golang/go (go)</summary>

###
[`v1.21.6`](https://togithub.com/golang/go/compare/go1.21.5...go1.21.6)

</details>

---

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bin/go

@@ -1 +1 @@
-.go-1.21.5.pkg
+.go-1.21.6.pkg

bin/gofmt

@@ -1 +1 @@
-.go-1.21.5.pkg
+.go-1.21.6.pkg

cmd/scaffolder/go.mod

@@ -1,6 +1,6 @@
 module github.com/TBD54566975/scaffolder/cmd/scaffolder
 
-go 1.21.5
+go 1.21.6
 
 require (
 	github.com/TBD54566975/scaffolder v0.8.0

extensions/javascript/go.mod

@@ -1,6 +1,6 @@
 module github.com/TBD54566975/scaffolder/extensions/javascript
 
-go 1.21.5
+go 1.21.6
 
 require (
 	github.com/TBD54566975/scaffolder v0.8.0

extensions/javascript/go.sum

@@ -1,5 +1,7 @@
 github.com/TBD54566975/scaffolder v0.7.1 h1:uZ/1qTa+j8dQR5HCNOxONrex3a5arwMuFQko0OeWXTw=
 github.com/TBD54566975/scaffolder v0.7.1/go.mod h1:Ab/jbQ4q8EloYL0nbkdh2DVvkGc4nxr1OcIbdMpTxxg=
+github.com/TBD54566975/scaffolder v0.8.0 h1:DWl1K3dWcLsOPAYGQGPQXtffrml6XCB0tF05JdpMqZU=
+github.com/TBD54566975/scaffolder v0.8.0/go.mod h1:Ab/jbQ4q8EloYL0nbkdh2DVvkGc4nxr1OcIbdMpTxxg=
 github.com/alecthomas/assert/v2 v2.4.1 h1:mwPZod/d35nlaCppr6sFP0rbCL05WH9fIo7lvsf47zo=
 github.com/alecthomas/assert/v2 v2.4.1/go.mod h1:fw5suVxB+wfYJ3291t0hRTqtGzFYdSwstnRQdaQx2DM=
 github.com/alecthomas/repr v0.3.0 h1:NeYzUPfjjlqHY4KtzgKJiWd6sVq2eNUPTi34PiFGjY8=

extensions/javascript/testdata/go.mod

@@ -1,3 +1,3 @@
 module exclude
 
-go 1.21.5
+go 1.21.6

go.mod

@@ -1,6 +1,6 @@
 module github.com/TBD54566975/scaffolder
 
-go 1.21.5
+go 1.21.6
 
 require github.com/alecthomas/assert/v2 v2.4.1
 

testdata/go.mod

@@ -1,3 +1,3 @@
 module exclude
 
-go 1.21.5
+go 1.21.6