Update package version to 78.1

pkg.info

@@ -1,9 +1,19 @@
 name: icu
 description: Libraries providing Unicode and Globalization support for software applications
-version: 77.1
+version: "78.1"
+revision: 1
 url: https://icu.unicode.org/
 license: BSD-2-Clause,BSD-3-Clause,LicenseRef-Unicode-3.0
 architecture: any
-depends: ["gcc-libs", "glibc", "bash"]
-make_depends: ["python3"]
 type: source
+depends:
+  - gcc-libs
+  - glibc
+  - bash
+make_depends:
+  - python3
+downloads:
+  - url: https://github.com/unicode-org/icu/releases/download/release-${BPM_PKG_VERSION}/icu4c-${BPM_PKG_VERSION}-sources.tgz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: 6217f58ca39b23127605cfc6c7e0d3475fe4b0d63157011383d716cb41617886