[chore] [builder] add metadata.yaml (#12592)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description
This PR adds a `metadata.yaml` file to `cmd/builder` to allow it to show
up in the issue templates. This makes it so the component is part of the
component dropdown.

<!-- Issue number if applicable -->
#### Link to tracking issue
I didn't open an issue cause it's just a chore task, but I can open one
if needed.

<!--Describe what testing was performed and which tests were added.-->
#### Testing
Not applicable.

<!--Describe the documentation added.-->
#### Documentation
It's in the issue templates now!

<!--Please delete paragraphs that you did not use before submitting.-->

.github/CODEOWNERS

@@ -18,11 +18,17 @@
 
 # Start components list
 
+cmd/builder/                             @open-telemetry/collector-approvers
 cmd/mdatagen/                            @open-telemetry/collector-approvers @dmitryax
 cmd/mdatagen/internal/sampleprocessor/   @open-telemetry/collector-approvers
 cmd/mdatagen/internal/samplereceiver/    @open-telemetry/collector-approvers @dmitryax
 cmd/mdatagen/internal/samplescraper/     @open-telemetry/collector-approvers @dmitryax
 confmap/                                 @open-telemetry/collector-approvers @mx-psi @evan-bradley
+confmap/provider/envprovider/            @open-telemetry/collector-approvers
+confmap/provider/fileprovider/           @open-telemetry/collector-approvers
+confmap/provider/httpprovider/           @open-telemetry/collector-approvers
+confmap/provider/httpsprovider/          @open-telemetry/collector-approvers
+confmap/provider/yamlprovider/           @open-telemetry/collector-approvers
 connector/forwardconnector/              @open-telemetry/collector-approvers
 connector/xconnector/                    @open-telemetry/collector-approvers @mx-psi @dmathieu
 consumer/xconsumer/                      @open-telemetry/collector-approvers @mx-psi @dmathieu

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -18,11 +18,17 @@ body:
       # NOTE: The list below is autogenerated using `make generate-gh-issue-templates`
       # Do not manually edit it.
       # Start components list
+      - cmd/builder
       - cmd/mdatagen
       - cmd/mdatagen/internal/sampleprocessor
       - cmd/mdatagen/internal/samplereceiver
       - cmd/mdatagen/internal/samplescraper
       - confmap
+      - confmap/provider/envprovider
+      - confmap/provider/fileprovider
+      - confmap/provider/httpprovider
+      - confmap/provider/httpsprovider
+      - confmap/provider/yamlprovider
       - connector/forward
       - connector/x
       - consumer/xconsumer

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -12,11 +12,17 @@ body:
       # NOTE: The list below is autogenerated using `make generate-gh-issue-templates`
       # Do not manually edit it.
       # Start components list
+      - cmd/builder
       - cmd/mdatagen
       - cmd/mdatagen/internal/sampleprocessor
       - cmd/mdatagen/internal/samplereceiver
       - cmd/mdatagen/internal/samplescraper
       - confmap
+      - confmap/provider/envprovider
+      - confmap/provider/fileprovider
+      - confmap/provider/httpprovider
+      - confmap/provider/httpsprovider
+      - confmap/provider/yamlprovider
       - connector/forward
       - connector/x
       - consumer/xconsumer

.github/ISSUE_TEMPLATE/other.yaml

@@ -11,11 +11,17 @@ body:
       # NOTE: The list below is autogenerated using `make generate-gh-issue-templates`
       # Do not manually edit it.
       # Start components list
+      - cmd/builder
       - cmd/mdatagen
       - cmd/mdatagen/internal/sampleprocessor
       - cmd/mdatagen/internal/samplereceiver
       - cmd/mdatagen/internal/samplescraper
       - confmap
+      - confmap/provider/envprovider
+      - confmap/provider/fileprovider
+      - confmap/provider/httpprovider
+      - confmap/provider/httpsprovider
+      - confmap/provider/yamlprovider
       - connector/forward
       - connector/x
       - consumer/xconsumer

cmd/builder/metadata.yaml

@@ -0,0 +1,9 @@
+type: builder
+github_project: open-telemetry/opentelemetry-collector
+
+status:
+  class: cmd
+  stability:
+    alpha: [metrics]
+  codeowners:
+    active: []