Fix caching issue

Replaced RUN curl <url> with ADD <url> to prevent archive caching.

.gitea/workflows/build.yaml

@@ -29,6 +29,8 @@ jobs:
 
     - name: Build and push Docker image
       uses: docker/build-push-action@v4
+      env:
+        ACTIONS_RUNTIME_TOKEN: ''
       with:
         context: .
         file: ./Dockerfile

Dockerfile

@@ -17,10 +17,10 @@ RUN chown root:root /entrypoint.sh && \
 # Create a dedicated user for Akkoma
 RUN adduser --system --shell /bin/false --home /opt/akkoma akkoma
 
-# Clone the release build into a temporary directory and unpack it
+# Download the release build into a temporary directory and unpack it
 # then move the release to the home directory and delete temporary files
-RUN curl 'https://akkoma-updates.s3-website.fr-par.scw.cloud/stable/akkoma-amd64-musl.zip' -o /tmp/akkoma.zip && \
-    unzip /tmp/akkoma.zip -d /tmp/ && \
+ADD 'https://akkoma-updates.s3-website.fr-par.scw.cloud/stable/akkoma-amd64-musl.zip' /tmp/akkoma.zip
+RUN unzip /tmp/akkoma.zip -d /tmp/ && \
     mv /tmp/release/* /opt/akkoma && \
     rmdir /tmp/release && \
     rm /tmp/akkoma.zip && \