tools: fix update-icu script

Closes: #60506
PR-URL: #60521
Fixes: #60506
Reviewed-By: Richard Lau <richard.lau@ibm.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: targos

tools/dep_updaters/update-icu.sh

@@ -32,15 +32,11 @@ CURRENT_VERSION="$(grep "#define U_ICU_VERSION " "$ICU_VERSION_H" | cut -d'"' -f
 # This function exit with 0 if new version and current version are the same
 compare_dependency_version "icu-small" "$NEW_VERSION" "$CURRENT_VERSION"
 
-DASHED_NEW_VERSION=$(echo "$NEW_VERSION" | sed 's/\./-/g')
+NEW_VERSION_TGZ="icu4c-${NEW_VERSION}-sources.tgz"
 
-LOW_DASHED_NEW_VERSION=$(echo "$NEW_VERSION" | sed 's/\./_/g')
+NEW_VERSION_TGZ_URL="https://github.com/unicode-org/icu/releases/download/release-${NEW_VERSION}/${NEW_VERSION_TGZ}"
 
-NEW_VERSION_TGZ="icu4c-${LOW_DASHED_NEW_VERSION}-src.tgz"
-
-NEW_VERSION_TGZ_URL="https://github.com/unicode-org/icu/releases/download/release-${DASHED_NEW_VERSION}/$NEW_VERSION_TGZ"
-
-NEW_VERSION_MD5="https://github.com/unicode-org/icu/releases/download/release-${DASHED_NEW_VERSION}/icu4c-${LOW_DASHED_NEW_VERSION}-sources.md5"
+NEW_VERSION_MD5="https://github.com/unicode-org/icu/releases/download/release-${NEW_VERSION}/icu4c-${NEW_VERSION}-sources.md5"
 
 CHECKSUM=$(curl -sL "$NEW_VERSION_MD5" | grep "$NEW_VERSION_TGZ" | grep -v "\.asc$" | awk '{print $1}')