Replace manually adding tags with multimod

Signed-off-by: Bogdan <bogdandrutu@gmail.com>

Makefile

@@ -164,35 +164,12 @@ ifndef COMPONENT
 	$(error COMPONENT variable was not defined)
 endif
 
-.PHONY: add-tag
-add-tag:
-	@[ "${TAG}" ] || ( echo ">> env var TAG is not set"; exit 1 )
-	@echo "Adding tag ${TAG}"
-	@git tag -a ${TAG} -s -m "Version ${TAG}"
-	@set -e; for dir in $(ALL_MODULES); do \
-	  (echo Adding tag "$${dir:2}/$${TAG}" && \
-	 	git tag -a "$${dir:2}/$${TAG}" -s -m "Version ${dir:2}/${TAG}" ); \
-	done
-
-.PHONY: push-tag
-push-tag:
-	@[ "${TAG}" ] || ( echo ">> env var TAG is not set"; exit 1 )
-	@echo "Pushing tag ${TAG}"
-	@git push git@github.com:open-telemetry/opentelemetry-collector.git ${TAG}
-	@set -e; for dir in $(ALL_MODULES); do \
-	  (echo Pushing tag "$${dir:2}/$${TAG}" && \
-	 	git push git@github.com:open-telemetry/opentelemetry-collector.git "$${dir:2}/$${TAG}"); \
-	done
-
-.PHONY: delete-tag
-delete-tag:
-	@[ "${TAG}" ] || ( echo ">> env var TAG is not set"; exit 1 )
-	@echo "Deleting tag ${TAG}"
-	@git tag -d ${TAG}
-	@set -e; for dir in $(ALL_MODULES); do \
-	  (echo Deleting tag "$${dir:2}/$${TAG}" && \
-	 	git tag -d "$${dir:2}/$${TAG}" ); \
-	done
+MODSET ?= collector-core
+COMMIT ?= "HEAD"
+.PHONY: add-tags
+add-tags:
+	@[ "${MODSET}" ] || ( echo ">> env var MODSET is not set"; exit 1 )
+	multimod verify && multimod tag -m ${MODSET} -c ${COMMIT}
 
 # Build the Collector executable.
 .PHONY: otelcorecol