Cleanup CI after Airflow 2.10.4 release (#45014)

Airflow 2.10.4 was released! Wohooo! Time to clean-up some leftovers:
- Make backcompat tests with 2.10.4 and not 2.10.3
- Add version reference in global constants
- Remove workaround for eval-type-backport because of Pydantic change

Author: jscheffl

Dockerfile.ci

@@ -993,22 +993,6 @@ function determine_airflow_to_use() {
            --constraint https://raw.githubusercontent.com/apache/airflow/constraints-main/constraints-${PYTHON_MAJOR_MINOR_VERSION}.txt
         # Some packages might leave legacy typing module which causes test issues
         pip uninstall -y typing || true
-        # We need to install `eval-type-backport` to avoid problems with Pydantic 2.10.+ released in
-        # November 2024 for python 3.8 and 3.9. While Pydantic 2.10.0/2.10.1 completely broke Airflow 2
-        # installation and Pydantic 2.10.2 fixed the issue for past versions of Airflow, there are still
-        # Some Typing constructs that are not handled well by Pydantic and in case Pydantic fails with
-        # those errors, it will STILL fall back to `eval-type-backport` to handle those cases (if
-        # if `eval-type-backport` is installed. Therefore - until we have Airflow 2.10.3 for backwards
-        # compatibility tests and we attempt to install "edge" provider that might use such breaking
-        # constructs, we need to install `eval-type-backport` to avoid problems with Pydantic 2.10.2+
-        # as well. As soon as we move to Airflow 2.10.4, we can remove this workaround because Airflow
-        # 2.10.4 adds "eval-type-backport" as a dependency and it will be installed automatically.
-        if [[ ${PYTHON_MAJOR_MINOR_VERSION} == "3.8" || ${PYTHON_MAJOR_MINOR_VERSION} == "3.9" ]]; then
-            echo
-            echo "${COLOR_BLUE}Installing eval-type-backport for Python ${PYTHON_MAJOR_MINOR_VERSION} to workaround Pydantic 2.10.0/2.10.1 issue with new typing style.${COLOR_RESET}"
-            echo
-            pip install eval-type-backport>=0.2.0
-        fi
         if [[ ${LINK_PROVIDERS_TO_AIRFLOW_PACKAGE=} == "true" ]]; then
             echo
             echo "${COLOR_BLUE}Linking providers to airflow package as we are using them from mounted sources.${COLOR_RESET}"

dev/breeze/src/airflow_breeze/global_constants.py

@@ -421,6 +421,7 @@ def get_default_platform_machine() -> str:
     "2.10.1": ["3.8", "3.9", "3.10", "3.11", "3.12"],
     "2.10.2": ["3.8", "3.9", "3.10", "3.11", "3.12"],
     "2.10.3": ["3.8", "3.9", "3.10", "3.11", "3.12"],
+    "2.10.4": ["3.8", "3.9", "3.10", "3.11", "3.12"],
 }
 
 DB_RESET = False
@@ -619,7 +620,7 @@ def get_airflow_extras():
     },
     {
         "python-version": "3.9",
-        "airflow-version": "2.10.3",
+        "airflow-version": "2.10.4",
         "remove-providers": "cloudant fab",
         "run-tests": "true",
     },

scripts/docker/entrypoint_ci.sh

@@ -226,22 +226,6 @@ function determine_airflow_to_use() {
            --constraint https://raw.githubusercontent.com/apache/airflow/constraints-main/constraints-${PYTHON_MAJOR_MINOR_VERSION}.txt
         # Some packages might leave legacy typing module which causes test issues
         pip uninstall -y typing || true
-        # We need to install `eval-type-backport` to avoid problems with Pydantic 2.10.+ released in
-        # November 2024 for python 3.8 and 3.9. While Pydantic 2.10.0/2.10.1 completely broke Airflow 2
-        # installation and Pydantic 2.10.2 fixed the issue for past versions of Airflow, there are still
-        # Some Typing constructs that are not handled well by Pydantic and in case Pydantic fails with
-        # those errors, it will STILL fall back to `eval-type-backport` to handle those cases (if
-        # if `eval-type-backport` is installed. Therefore - until we have Airflow 2.10.3 for backwards
-        # compatibility tests and we attempt to install "edge" provider that might use such breaking
-        # constructs, we need to install `eval-type-backport` to avoid problems with Pydantic 2.10.2+
-        # as well. As soon as we move to Airflow 2.10.4, we can remove this workaround because Airflow
-        # 2.10.4 adds "eval-type-backport" as a dependency and it will be installed automatically.
-        if [[ ${PYTHON_MAJOR_MINOR_VERSION} == "3.8" || ${PYTHON_MAJOR_MINOR_VERSION} == "3.9" ]]; then
-            echo
-            echo "${COLOR_BLUE}Installing eval-type-backport for Python ${PYTHON_MAJOR_MINOR_VERSION} to workaround Pydantic 2.10.0/2.10.1 issue with new typing style.${COLOR_RESET}"
-            echo
-            pip install eval-type-backport>=0.2.0
-        fi
         if [[ ${LINK_PROVIDERS_TO_AIRFLOW_PACKAGE=} == "true" ]]; then
             echo
             echo "${COLOR_BLUE}Linking providers to airflow package as we are using them from mounted sources.${COLOR_RESET}"