Fix a makefile bug causing make rpm-package to fail (open-telemetry…

…#12361)

Fixes open-telemetry#12162

Makefile

@@ -331,7 +331,7 @@ build-examples:
 .PHONY: deb-rpm-package
 %-package: ARCH ?= amd64
 %-package:
- $(MAKE) otelcontribcol-linux_$(ARCH)
+ GOOS=linux GOARCH=$(ARCH) $(MAKE) otelcontribcol
  docker build -t otelcontribcol-fpm internal/buildscripts/packaging/fpm
  docker run --rm -v $(CURDIR):/repo -e PACKAGE=$* -e VERSION=$(VERSION) -e ARCH=$(ARCH) otelcontribcol-fpm
 

unreleased/fix-makefile-bug.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: bug_fix
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: tooling
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: "Fix a bug in the makefile causing `make rpm-package` to fail"
+
+# One or more tracking issues related to the change
+issues: [ 12162 ]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext: