ci: add flag for building with self-update feature for nightly and CD

.github/workflows/nightly.yml

@@ -112,6 +112,7 @@ jobs:
           sign-release: true
           hash-release: true
           use-project-version: true
+          extra-cargo-build-args: "--features self-update"
 
   publish-nightly:
     if: ${{ github.repository_owner == 'rustic-rs' && github.ref == 'refs/heads/main' }}

.github/workflows/release-cd.yml

@@ -4,9 +4,9 @@ on:
   push:
     tags:
       # Run on stable releases
-      - 'v*.*.*'
+      - "v*.*.*"
       # Run on release candidates
-      - 'v*.*.*-rc*'
+      - "v*.*.*-rc*"
 
 defaults:
   run:
@@ -96,7 +96,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
         with:
-
           fetch-depth: 0 # fetch all history so that git describe works
       - name: Create binary artifact
         uses: rustic-rs/create-binary-artifact-action@main # dev
@@ -118,6 +117,7 @@ jobs:
           hash-release: true
           use-project-version: true
           use-tag-version: true # IMPORTANT: this is being used to make sure the tag that is built is in the archive filename, so automation can download the correct version
+          extra-cargo-build-args: "--features self-update"
 
   create-release:
     name: Creating release with artifacts