👽 Update Dockerfile syntax

Author: shnizzedy

.github/Dockerfiles/c-pac_api.latest.Dockerfile

@@ -14,10 +14,10 @@
 
 # You should have received a copy of the GNU Lesser General Public
 # License along with C-PAC. If not, see <https://www.gnu.org/licenses/>.
-FROM ghcr.io/fcp-indi/c-pac/ubuntu:jammy-non-free as src
-LABEL org.opencontainers.image.description "NOT INTENDED FOR USE OTHER THAN AS A DRY-RUN TESTING IMAGE \
+FROM ghcr.io/fcp-indi/c-pac/ubuntu:jammy-non-free AS src
+LABEL org.opencontainers.image.description="NOT INTENDED FOR USE OTHER THAN AS A DRY-RUN TESTING IMAGE \
 Dry-run C-PAC latest API."
-LABEL org.opencontainers.image.source https://github.com/FCP-INDI/cpac
+LABEL org.opencontainers.image.source=https://github.com/FCP-INDI/cpac
 USER root
 COPY --from=fcpindi/c-pac:latest /code /code
 RUN mkdir -p /home/user/c-pac_user \

.github/Dockerfiles/c-pac_api.nightly.Dockerfile

@@ -14,10 +14,10 @@
 
 # You should have received a copy of the GNU Lesser General Public
 # License along with C-PAC. If not, see <https://www.gnu.org/licenses/>.
-FROM ghcr.io/fcp-indi/c-pac/ubuntu:jammy-non-free as src
-LABEL org.opencontainers.image.description "NOT INTENDED FOR USE OTHER THAN AS A DRY-RUN TESTING IMAGE \
+FROM ghcr.io/fcp-indi/c-pac/ubuntu:jammy-non-free AS src
+LABEL org.opencontainers.image.description="NOT INTENDED FOR USE OTHER THAN AS A DRY-RUN TESTING IMAGE \
 Dry-run C-PAC nightly API."
-LABEL org.opencontainers.image.source https://github.com/FCP-INDI/cpac
+LABEL org.opencontainers.image.source=https://github.com/FCP-INDI/cpac
 USER root
 COPY --from=fcpindi/c-pac:nightly /code /code
 RUN mkdir -p /home/user/c-pac_user \