ci: Use shared actions from bootc-dev/actions (#1897)

https://github.com/bootc-dev/actions now exists and is
nicer than syncing GHA via the sync-common flow.

Assisted-by: OpenCode (Opus 4.5)

Signed-off-by: Colin Walters <walters@verbum.org>

.github/workflows/build-and-publish.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
 
       - name: Setup env
         run: |

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
       - name: Validate (default)
         run: just validate
   # Check for security vulnerabilities and license compliance
@@ -57,7 +57,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
       - name: Enable fsverity for /
         run: sudo tune2fs -O verity $(findmnt -vno SOURCE /)
       - name: Install utils
@@ -112,7 +112,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
       - name: Build mdbook
         run: just build-mdbook
   # Build packages for each test OS
@@ -127,7 +127,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
 
       - name: Setup env
         run: |
@@ -164,7 +164,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
         with:
           libvirt: true
       - name: Install tmt
@@ -223,7 +223,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
         with:
           libvirt: true
       - name: Install tmt

.github/workflows/docs.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: Bootc Ubuntu Setup
-        uses: ./.github/actions/bootc-ubuntu-setup
+        uses: bootc-dev/actions/bootc-ubuntu-setup@main
       - name: Build mdbook
         run: mkdir target && just build-mdbook-to target/docs
         env: