CI: Release/RPM pkg verification - Fix linefeeds converted to literal backslash-n sequences (#91097)

fix lf converted to literal backslash-n sequence

.drone.yml

@@ -3021,7 +3021,7 @@ steps:
   - rpm --import https://rpm.grafana.com/gpg.key
   - 'echo "Step 4: Configuring Grafana repository..."'
   - |-
-    echo '[grafana]
+    echo -e '[grafana]
     name=grafana
     baseurl=https://rpm.grafana.com
     repo_gpgcheck=0
@@ -3199,7 +3199,7 @@ steps:
   - rpm --import https://rpm.grafana.com/gpg.key
   - 'echo "Step 4: Configuring Grafana repository..."'
   - |-
-    echo '[grafana]
+    echo -e '[grafana]
     name=grafana
     baseurl=https://rpm.grafana.com
     repo_gpgcheck=0
@@ -5122,6 +5122,6 @@ kind: secret
 name: gcr_credentials
 ---
 kind: signature
-hmac: b8a7c860c2127b3c02b83424f07e1287c6314d80c28718451bd9f22cefd498cb
+hmac: 79c8b6e1ad457ee594dd75148dc2623fe89a982b42f210ab53b0f9809b859acb
 
 ...

scripts/drone/steps/lib.star

@@ -1219,7 +1219,7 @@ def verify_linux_RPM_packages_step(depends_on = []):
             'echo "Step 3: Adding Grafana GPG key..."',
             "rpm --import https://rpm.grafana.com/gpg.key",
             'echo "Step 4: Configuring Grafana repository..."',
-            "echo '" + repo_config + "' > /etc/yum.repos.d/grafana.repo",
+            "echo -e '" + repo_config + "' > /etc/yum.repos.d/grafana.repo",
             'echo "Step 5: Checking RPM repository..."',
             "dnf list available grafana-${TAG}",
             "if [ $? -eq 0 ]; then",