chore: bump workload to v1.4.0 (#19)

CONTRIBUTING.md

@@ -4,6 +4,6 @@
 
 ```bash
 rockcraft pack -v
-sudo skopeo --insecure-policy copy oci-archive:sdcore-ausf_1.3_amd64.rock docker-daemon:sdcore-ausf:1.3
-docker run sdcore-ausf:1.3
+sudo skopeo --insecure-policy copy oci-archive:sdcore-ausf_1.4.0_amd64.rock docker-daemon:sdcore-ausf:1.4.0
+docker run sdcore-ausf:1.4.0
 ```

README.md

@@ -5,6 +5,6 @@ Container image for SD-Core AUSF.
 ## Usage
 
 ```console
-docker pull ghcr.io/canonical/sdcore-ausf:1.3
-docker run -it ghcr.io/canonical/sdcore-ausf:1.3
+docker pull ghcr.io/canonical/sdcore-ausf:1.4.0
+docker run -it ghcr.io/canonical/sdcore-ausf:1.4.0
 ```

rockcraft.yaml

@@ -1,7 +1,7 @@
 name: sdcore-ausf
 base: bare
 build-base: [email protected]
-version: '1.3'
+version: '1.4.0'
 summary: SD-Core AUSF
 description: SD-Core AUSF
 license: Apache-2.0
@@ -14,7 +14,7 @@ parts:
     plugin: go
     source: https://github.com/omec-project/ausf.git
     source-type: git
-    source-commit: 0e4d37bae4d26c57cfb6db8a2d4f4527d9f62013
+    source-tag: v1.4.0
     build-snaps:
       - go/1.21/stable
     stage-packages: