Run deadcode detection as part of linting (#101)

Since this is essentially a form of linting, run it along with all the
other linting ops.

Author: dmjb

Taskfile.yml

@@ -97,10 +97,12 @@ tasks:
         silent: true
     cmds:
       - cmd: |
-          if test -z "$(deadcode -test ./...)"; then
+          output=$(deadcode -test ./...)
+          if test -z "$output"; then
             echo "✅ No unused code found"
           else
             echo "❌ Unused code found"
+            echo $output
             exit 1
           fi
         silent: true
@@ -114,15 +116,21 @@ tasks:
         silent: true
       - task: install-deadcode
         silent: true
+      - task: deadcode
     cmds:
       - golangci-lint run ./...
       - go vet ./...
 
   lint-fix:
     desc: Run linting tools, and apply fixes.
     deps:
+      - task: gen
+        silent: true
       - task: install-golangci-lint
         silent: true
+      - task: install-deadcode
+        silent: true
+      - task: deadcode
     cmds:
       - golangci-lint run --fix ./...