chore: parallel builds with Makefile (#3854)

* Revert "revert: Makefile buff-ification (#3700) (#3848)"

This reverts commit e490bdd531.

* fix: fix slim targets in makefile

* fix: don't clobber slim binaries, make sure they're in the correct location

.github/workflows/coder.yaml

@@ -500,35 +500,21 @@ jobs:
       - name: Install zstd
         run: sudo apt-get install -y zstd
 
-      - name: Build site
-        run: make -B site/out/index.html
-
       - name: Build Release
         run: |
           set -euo pipefail
           go mod download
 
-          mkdir -p ./dist
-          # build slim binaries
-          ./scripts/build_go_slim.sh \
-            --output ./dist/ \
-            --compress 22 \
-            linux:amd64,armv7,arm64 \
-            windows:amd64,arm64 \
-            darwin:amd64,arm64
-
-          # build linux amd64 packages
-          ./scripts/build_go_matrix.sh \
-            --output ./dist/ \
-            --package-linux \
-            linux:amd64 \
-            windows:amd64
+          version="$(./scripts/version.sh)"
+          make -j \
+            build/coder_"$version"_windows_amd64.zip \
+            build/coder_"$version"_linux_amd64.{tar.gz,deb}
 
       - name: Install Release
         run: |
           gcloud config set project coder-dogfood
           gcloud config set compute/zone us-central1-a
-          gcloud compute scp ./dist/coder_*_linux_amd64.deb coder:/tmp/coder.deb
+          gcloud compute scp ./build/coder_*_linux_amd64.deb coder:/tmp/coder.deb
           gcloud compute ssh coder -- sudo dpkg -i --force-confdef /tmp/coder.deb
           gcloud compute ssh coder -- sudo systemctl daemon-reload
 
@@ -539,12 +525,9 @@ jobs:
         with:
           name: coder
           path: |
-            ./dist/*.zip
-            ./dist/*.exe
-            ./dist/*.tar.gz
-            ./dist/*.apk
-            ./dist/*.deb
-            ./dist/*.rpm
+            ./build/*.zip
+            ./build/*.tar.gz
+            ./build/*.deb
           retention-days: 7
 
   test-js: