Merge remote-tracking branch 'origin/feature/promql-without-grouping-v2' into feature/promql-without-grouping-v2

# Conflicts:
#	x-pack/plugin/esql/qa/testFixtures/src/main/resources/k8s-timeseries-promql-without.csv-spec
#	x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/optimizer/rules/logical/promql/TranslatePromqlToEsqlPlan.java
#	x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/promql/PromqlVerifierTests.java

Author: sidosera