Install guava-shaded before running core's compile in CI

Without this module available "Build" and "Unit tests" job fail with
"package <x> does not exist" or "cannot find symbol" pointing to
`[...].shaded.guava.[...]` packages.

Author: Bouncheck

.github/workflows/[email protected]

@@ -39,6 +39,9 @@ jobs:
           path: ~/.m2/repository
           key: ${{ runner.os }}-${{ matrix.java-version }}-maven-${{ steps.get-pom-hash.outputs.value }}
 
+      - name: Install guava-shaded
+        run: mvn install -pl guava-shaded
+
       - name: Compile source and tests
         run: mvn -B compile test-compile -Dfmt.skip=true -Dclirr.skip=true -Danimal.sniffer.skip=true
 
@@ -113,6 +116,9 @@ jobs:
           path: ~/.m2/repository
           key: ${{ runner.os }}-${{ matrix.java-version }}-maven-${{ hashFiles('**/pom.xml') }}
 
+      - name: Install guava-shaded
+        run: mvn install -pl guava-shaded
+
       - name: Run unit tests
         run: mvn -B test -Dfmt.skip=true -Dclirr.skip=true -Danimal.sniffer.skip=true