squishes agate build into one RUN command

agate/Dockerfile

@@ -1,6 +1,6 @@
-FROM docker.io/library/alpine:3.23 AS agate
-RUN apk --no-cache add rust cargo
-RUN wget -O - https://github.com/mbrubeck/agate/archive/refs/tags/v3.3.20.tar.gz | tar -xz \
+FROM docker.io/library/alpine:3.23
+RUN apk --no-cache add rust cargo \
+  && wget -O - https://github.com/mbrubeck/agate/archive/refs/tags/v3.3.20.tar.gz | tar -xz \
   && cargo install --path agate-3.3.20/ \
   && apk del rust cargo \
   && rm -rf agate-3.3.20 agate-target

comitium/Dockerfile

@@ -1,6 +1,6 @@
-FROM alpine:3.23 AS comitium
-RUN apk --no-cache add make go scdoc
-RUN wget -O - https://git.sr.ht/~nytpu/comitium/archive/v1.8.2.tar.gz | tar -xz \
+FROM alpine:3.23
+RUN apk --no-cache add make go scdoc \
+  && wget -O - https://git.sr.ht/~nytpu/comitium/archive/v1.8.2.tar.gz | tar -xz \
   && make --directory=comitium-v1.8.2 \
   && mv comitium-v1.8.2/build/comitium /usr/local/bin/comitium \
   && apk del make go scdoc \