ci: Explicitly install leiningen on ubuntu-latest

Author: alumi

.github/workflows/build.yml

@@ -23,6 +23,10 @@ jobs:
       with:
         distribution: 'adopt'
         java-version: ${{ matrix.java }}
+    - name: Setup Clojure
+      uses: DeLaGuardo/[email protected]
+      with:
+        lein: latest
     - name: Install dependencies
       run: lein deps
     - name: Run tests
@@ -44,6 +48,10 @@ jobs:
       with:
         distribution: 'adopt'
         java-version: '17'
+    - name: Setup Clojure
+      uses: DeLaGuardo/[email protected]
+      with:
+        lein: latest
     - name: Install dependencies
       run: lein deps
     - name: Generate code coverage
@@ -74,6 +82,10 @@ jobs:
       with:
         distribution: 'adopt'
         java-version: '17'
+    - name: Setup Clojure
+      uses: DeLaGuardo/[email protected]
+      with:
+        lein: latest
     - name: Deploy
       if: endsWith(needs.get-version.outputs.version, '-SNAPSHOT')
       env: