build maven-plugins/pom.xml explicitly

this ensures that tycho is only used when building in root with `mvn clean verify` but not when building with `mvn -f maven-plugins/pom.xml`
adjust CI build scripts to call `mvn -f maven-plugins/pom.xml`

Signed-off-by: Christoph Rueger <chrisrueger@gmail.com>

Author: chrisrueger

.github/scripts/ci-build.sh

@@ -21,4 +21,4 @@ fi
 ./mvnw --version
 ./gradlew --no-daemon -Dmaven.repo.local=dist/m2 --continue :build "$@"
 ./gradlew --no-daemon -Dmaven.repo.local=dist/m2 --continue :gradle-plugins:build
-./mvnw -f old_pom.xml -Djdk.xml.maxGeneralEntitySizeLimit=0 -Djdk.xml.totalEntitySizeLimit=0 -Djdk.xml.entityExpansionLimit=0 -Dmaven.repo.local=dist/m2 --batch-mode --no-transfer-progress install
+./mvnw -f maven-plugins/pom.xml -Dmaven.repo.local=dist/m2 --batch-mode --no-transfer-progress install

.github/scripts/ci-publish.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 set -ev
 ./gradlew --no-daemon -Dmaven.repo.local=dist/m2 :publish :gradle-plugins:publish "$@"
-./mvnw -f old_pom.xml -Djdk.xml.maxGeneralEntitySizeLimit=0 -Djdk.xml.totalEntitySizeLimit=0 -Djdk.xml.entityExpansionLimit=0 -Dmaven.repo.local=dist/m2  --batch-mode -Pdist -Dreleaserepo=file:dist/bundles deploy
+./mvnw -f maven-plugins/pom.xml -Dmaven.repo.local=dist/m2  --batch-mode -Pdist -Dreleaserepo=file:dist/bundles deploy

.github/scripts/codeql-build.sh

@@ -4,4 +4,4 @@ set -ev
 ./mvnw --version
 ./gradlew --no-daemon -Dmaven.repo.local=dist/m2 --continue testClasses :dist:jarDependencies "$@"
 ./gradlew --no-daemon -Dmaven.repo.local=dist/m2 --continue :gradle-plugins:testClasses
-./mvnw -f old_pom.xml -Djdk.xml.maxGeneralEntitySizeLimit=0 -Djdk.xml.totalEntitySizeLimit=0 -Djdk.xml.entityExpansionLimit=0 -Dmaven.repo.local=dist/m2 --batch-mode --no-transfer-progress test-compile
+./mvnw -f maven-plugins/pom.xml -Dmaven.repo.local=dist/m2 --batch-mode --no-transfer-progress test-compile