fix download url

.drone.yml

@@ -10,10 +10,8 @@ steps:
   - name: build
     image: thegeeklab/rpmbuild:7
     commands:
-      - pwd
-      - ls -la
       - source /drone/src/.drone.env
-      - wget -q https://github.com/OpenPrinting/cups/releases/download/v$CUPS_VERSION/cups-v$CUPS_VERSION-source.tar.gz
+      - wget -q https://github.com/OpenPrinting/cups/releases/download/$CUPS_VERSION/cups-$CUPS_VERSION-source.tar.gz
       - rpmbuild -ta --without libusb1 cups-${CUPS_VERSION##v}-source.tar.gz
 
   - name: checksum
@@ -94,6 +92,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 6a222591b75dd1b22d278467cb82fcac5fbba807607ce61f3335a160a0644515
+hmac: acd5875df015c9b10b95c26b65b1f53a7126438b5d71ba519411ce9d9754008f
 
 ...