Tests: dnf remove epel hang fix

Need to add -y to the dnf remove epel in browser.sh test runner.  Tests
were hanging on this step.

Bumping NVR for this fix as well.

Resolves: rhbz#1984553

cockpit-session-recording.spec

@@ -1,6 +1,6 @@
 Name: cockpit-session-recording
 Version: 9
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: Cockpit Session Recording
 License: LGPLv2+
 URL:     https://github.com/Scribery/%{name}

tests/browser.sh

@@ -24,7 +24,7 @@ if ! rpm -q chromium; then
         sed -i 's/$releasever/8/g' /etc/yum.repos.d/epel*
     fi
     dnf install -y chromium
-    dnf remove epel-release
+    dnf remove -y epel-release
 fi
 
 # install cockpit-packagekit for testAppMenu