Excavator: Manage go module dependencies

-excavator_output.txt

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+go mod operation failed. This may mean that there are legitimate dependency issues with the "go.mod" definition in the repository and the updates performed by the gomod check. This branch can be cloned locally to debug the issue.
+
+Command that caused error:
+./godelw check compiles
+
+Output:
+Running compiles...
+../local/pkg/mod/golang.org/[email protected]/src/runtime/time.go:174:17: cannot range over 3 (untyped int constant)
+-: This application uses version go1.21 of the source-processing packages but runs version go1.22 of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.
+../local/pkg/mod/golang.org/[email protected]/src/reflect/iter.go:67:19: cannot range over v.Len() (value of type int)
+../local/pkg/mod/golang.org/[email protected]/src/reflect/iter.go:75:19: cannot range over v.Len() (value of type int)
+../local/pkg/mod/golang.org/[email protected]/src/reflect/iter.go:131:19: cannot range over v.Len() (value of type int)
+../local/pkg/mod/golang.org/[email protected]/src/reflect/iter.go:139:19: cannot range over v.Len() (value of type int)
+../local/pkg/mod/golang.org/[email protected]/src/reflect/type.go:2320:19: cannot range over num (variable of type int)
+-: This application uses version go1.21 of the source-processing packages but runs version go1.22 of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.
+../local/pkg/mod/golang.org/[email protected]/src/slices/iter.go:50:17: cannot range over seq (variable of type iter.Seq[E])
+-: This application uses version go1.21 of the source-processing packages but runs version go1.22 of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.
+../local/pkg/mod/golang.org/[email protected]/src/unique/clone.go:76:12: cannot range over atyp.Len (variable of type uintptr)
+-: This application uses version go1.21 of the source-processing packages but runs version go1.22 of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.
+../local/pkg/mod/golang.org/[email protected]/src/maps/iter.go:51:20: cannot range over seq (variable of type iter.Seq2[K, V])
+-: This application uses version go1.21 of the source-processing packages but runs version go1.22 of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.
+Finished compiles
+Check(s) produced output: [compiles]

excavator_fail/excavator_fail.go

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+package fail
+
+This is a non-compiling file that has been added to explicitly ensure that CI fails.
+Remove this file if debugging locally.