ICU-22221 update cldr-icu instructions, and ICU tag for integration

icu4c/source/data/cldr-icu-readme.txt

@@ -131,6 +131,7 @@ export ANT_OPTS="-Xmx4096m"
 # CLDR_DIR=`cygpath -wp /build/cldr`
 
 export CLDR_DIR=$HOME/cldr-myfork
+export CLDR_TMP_DIR=$HOME/cldr-staging
 
 # 1c. ICU variables
 
@@ -204,6 +205,12 @@ ant cleanprod
 ant setup
 ant proddata 2>&1 | tee $NOTES/cldr-newData-proddataLog.txt
 
+#---
+# Note, for CLDR development, at this point tests are sometimes run on the production
+# data, see:
+# https://cldr.unicode.org/development/cldr-big-red-switch/brs-run-tests-on-production-data
+#---
+
 # 5b. Build the new ICU4C data files; these include .txt files and .py files.
 # These new files will replace whatever was already present in the ICU4C sources.
 # This process uses the LdmlConverter in $TOOLS_ROOT/cldr/cldr-to-icu/;
@@ -363,8 +370,8 @@ git status
 # commit
 
 # 16. For an official CLDR data integration into ICU, now tag the CLDR and
-# ICU sources with an appropriate CLDR milestone (you can check previous
-# tags for format), e.g.:
+# possibly the ICU sources with an appropriate CLDR milestone (you can check
+# previous tags for format), e.g.:
 
 cd $CLDR_DIR
 git tag ...
@@ -383,5 +390,13 @@ cd $CLDR_TMP_DIR
 git tag ...
 git push --tags
 
+# 18. You should publish the cldr and cldr-staging tags in github. For cldr, go to
+# https://github.com/unicode-org/cldr/tags and click on the tag you just created.
+# Click on the "Create release from tag" button at the upper right. Set release
+# title to be the same as the tag. Click the checkbox for "Set as a pre-release" for
+# all but the final release. For the description, see what was done for earlier tags.
+# When you are all ready, click the "Publish release" button.
+
+
 
 

tools/cldr/cldr-to-icu/pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>com.ibm.icu</groupId>
             <artifactId>icu4j-for-cldr</artifactId>
-            <version>73.1-cldr-2023-04-06</version>
+            <version>73.1-cldr-2023-04-10</version>
             <!-- Note: see https://github.com/unicode-org/icu/packages/411079/versions
                 for the icu4j-for-cldr version tag to use -->
         </dependency>