Update Unicode version to 15.0.0 in CI build scripts (#176)

Author: echeran

.github/workflows/build-jsp.yml

@@ -40,16 +40,16 @@ jobs:
       run: >
         mkdir -pv $(pwd)/output/Generated/ &&
         mvn -s .github/workflows/mvn-settings.xml -B exec:java
-        -Dexec.mainClass="org.unicode.text.UCD.Main" -Dexec.args="version 14.0.0 build MakeUnicodeFiles"
+        -Dexec.mainClass="org.unicode.text.UCD.Main" -Dexec.args="version 15.0.0 build MakeUnicodeFiles"
         -pl unicodetools -DCLDR_DIR=${GITHUB_WORKSPACE}/cldr
-        -DUNICODETOOLS_REPO_DIR=$(pwd) -DUVERSION=14.0.0
+        -DUNICODETOOLS_REPO_DIR=$(pwd) -DUVERSION=15.0.0
         -DUNICODETOOLS_OUTPUT_DIR=$(pwd)/output
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Run unicodetools tests
       run: >
         mvn -s .github/workflows/mvn-settings.xml -B test -pl unicodetools
-        -DCLDR_DIR=${GITHUB_WORKSPACE}/cldr -T 1C -Dparallel=classes -DUNICODETOOLS_REPO_DIR=$(pwd) -DUVERSION=14.0.0 -DUNICODETOOLS_OUTPUT_DIR=$(pwd)/output
+        -DCLDR_DIR=${GITHUB_WORKSPACE}/cldr -T 1C -Dparallel=classes -DUNICODETOOLS_REPO_DIR=$(pwd) -DUVERSION=15.0.0 -DUNICODETOOLS_OUTPUT_DIR=$(pwd)/output
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     - name: Package JSPs

docs/build.md

@@ -235,7 +235,7 @@ All of the following have `version 15.0.0` (or whatever the latest version is)
 in the options given to Java.
 
 Example changes for adding Unicode 15 version numbers:
-See the second commit of https://github.com/unicode-org/unicodetools/pull/156
+See the second commit of [https://github.com/unicode-org/unicodetools/pull/156](https://github.com/unicode-org/unicodetools/pull/156/commits/71ed1d4f2a7e2ff1e9ae0063ec10d5289c37ecf0). Also, you must update the version number in the CI build scripts in `.github/workflows/`.
 
 Example changes for adding properties:
 <https://github.com/unicode-org/unicodetools/pull/40>. Throughout these steps we