fix: add code generation to run-unit-tests.stages (#3985)

Author: santhoshmprabhu

.pipelines/templates/run-unit-tests.stages.yaml

@@ -35,6 +35,8 @@ stages:
         mkdir -p "$REPORT_DIR"
         touch "$REPORT_XML"
         make tools
+        make bpf-lib
+        go generate ./...
 
         # run test, echo exit status code to fd 3, pipe output from test to tee, which splits output to stdout and go-junit-report (which converts test output to report.xml),
         # stdout from tee is redirected to fd 4. Take output written to fd 3 (which is the exit code of test), redirect to stdout, pipe to read from stdout then exit with that status code.