align s3 files with docker naming (#31050)

docker images have `-nightly`, this will append the same to binaries
uploaded to s3.

.github/workflows/release-nightly.yml

@@ -47,7 +47,7 @@ jobs:
         run: |
           REF_NAME=$(echo "${{ github.ref }}" | sed -e 's/refs\/heads\///' -e 's/refs\/tags\///' -e 's/release\/v//')
           echo "Cleaned name is ${REF_NAME}"
-          echo "branch=${REF_NAME}" >> "$GITHUB_OUTPUT"
+          echo "branch=${REF_NAME}-nightly" >> "$GITHUB_OUTPUT"
       - name: configure aws
         uses: aws-actions/configure-aws-credentials@v4
         with:

Makefile

@@ -88,7 +88,7 @@ ifneq ($(GITHUB_REF_TYPE),branch)
 	GITEA_VERSION ?= $(VERSION)
 else
 	ifneq ($(GITHUB_REF_NAME),)
-		VERSION ?= $(subst release/v,,$(GITHUB_REF_NAME))
+		VERSION ?= $(subst release/v,,$(GITHUB_REF_NAME))-nightly
 	else
 		VERSION ?= main
 	endif