templates/_images/fedora-43.yaml: Change https://dl.fedora... to https://download.fedora...

- https://www.fedoraproject.org/cloud/download uses `https://download.fedoraproject.org/...`.
- `update-template-fedora.sh` expects that url has prefix `https://download.fedoraproject.org/...`

Signed-off-by: Norio Nomura <norio.nomura@gmail.com>

Author: norio-nomura

templates/_images/fedora-41.yaml

@@ -7,7 +7,7 @@ images:
   arch: aarch64
   digest: sha256:085883b42c7e3b980e366a1fe006cd0ff15877f7e6e984426f3c6c67c7cc2faa
 
-- location: https://dl.fedoraproject.org/pub/alt/risc-v/release/41/Cloud/riscv64/images/Fedora-Cloud-Base-Generic-41.20250224-1026a2d0e311.riscv64.qcow2
+- location: https://download.fedoraproject.org/pub/alt/risc-v/release/41/Cloud/riscv64/images/Fedora-Cloud-Base-Generic-41.20250224-1026a2d0e311.riscv64.qcow2
   arch: riscv64
   digest: sha256:6a8272a858d7f1498f49ce362b34f0b9b959885f63285158947e045abfeece40
 

templates/_images/fedora-42.yaml

@@ -7,7 +7,7 @@ images:
   arch: aarch64
   digest: sha256:e10658419a8d50231037dc781c3155aa94180a8c7a74e5cac2a6b09eaa9342b7
 
-- location: https://dl.fedoraproject.org/pub/alt/risc-v/release/42/Cloud/riscv64/images/Fedora-Cloud-Base-Generic-42.20250414-8635a3a5bfcd.riscv64.qcow2
+- location: https://download.fedoraproject.org/pub/alt/risc-v/release/42/Cloud/riscv64/images/Fedora-Cloud-Base-Generic-42.20250414-8635a3a5bfcd.riscv64.qcow2
   arch: riscv64
   digest: sha256:537c67710f4f1c9112fecaafafc293b649acd1d35b46619b97b5a5a0132241b0
 

templates/_images/fedora-43.yaml

@@ -1,13 +1,13 @@
 images:
-- location: "https://dl.fedoraproject.org/pub/fedora/linux/releases/43/Cloud/x86_64/images/Fedora-Cloud-Base-Generic-43-1.6.x86_64.qcow2"
+- location: "https://download.fedoraproject.org/pub/fedora/linux/releases/43/Cloud/x86_64/images/Fedora-Cloud-Base-Generic-43-1.6.x86_64.qcow2"
   arch: "x86_64"
   digest: "sha256:846574c8a97cd2d8dc1f231062d73107cc85cbbbda56335e264a46e3a6c8ab2f"
 
-- location: "https://dl.fedoraproject.org/pub/fedora/linux/releases/43/Cloud/aarch64/images/Fedora-Cloud-Base-Generic-43-1.6.aarch64.qcow2"
+- location: "https://download.fedoraproject.org/pub/fedora/linux/releases/43/Cloud/aarch64/images/Fedora-Cloud-Base-Generic-43-1.6.aarch64.qcow2"
   arch: aarch64
   digest: "sha256:66031aea9ec61e6d0d5bba12b9454e80ca94e8a79c913d37ded4c60311705b8b"
 
-# No RISC-V release yet for Fedora 43: https://dl.fedoraproject.org/pub/alt/risc-v/release/
+# No RISC-V release yet for Fedora 43: https://download.fedoraproject.org/pub/alt/risc-v/release/
 
 # # NOTE: Intel Mac with macOS prior to 15.5 requires setting vmType to qemu
 # # https://github.com/lima-vm/lima/issues/3334