Onboard boundary to use new version/VERSION file and reproducible actions-go-build (#2662)

* Onboard boundary to use new .release/VERSION file and reproducible actions-go-build

* Added automatic patch version bumps to end of release pipeline

* Added back VersionMetadata to internal directory

* Moved VERSION file to version/

* Update to current version

* Using prepare workflow for pre-stable channel workflow

* Test prepare workflow

* PR feedback: allow builds to run builds locally without setting BIN_PATH

* PR feedback: revert Enos changes

* PR Feedback

* Remove current branch from ci pipeline

* Run make fmt

version/VERSION

@@ -0,0 +1 @@
+0.12.0

version/version_base.go

@@ -1,17 +1,20 @@
 package version
 
 var (
-	// The git commit that was compiled. This will be filled in by the compiler.
+	// GitCommit is the git commit that was compiled. This will be filled in by the compiler.
 	GitCommit   string
 	GitDescribe string
 
-	// Whether cgo is enabled or not; set at build time
+	// CgoEnabled is whether cgo is enabled or not; set at build time
 	CgoEnabled bool
 
+	// Version is the base version
+	// Default values - set when building locally (at build time)
 	Version = "0.12.0"
 
 	// VersionPrerelease is also set at compile time, similarly to Version.
 	VersionPrerelease = ""
 
+	// VersionMetadata is also set at compile time.
 	VersionMetadata = ""
 )